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Bactrim Headache Side Effects

Bactrim Headache Side Effect Reports


The following Bactrim Headache side effect reports were submitted by healthcare professionals and consumers.

This information will help you understand how side effects, such as Headache, can occur, and what you can do about them.

A side effect could appear soon after you start Bactrim or it might take time to develop.



Anaphylactoid Reaction, Rash Macular, Rash Pruritic, Nausea, Blood Pressure Decreased, Headache

This Headache side effect was reported by a physician from CH. A 66-year-old female patient (weight:NA) experienced the following symptoms/conditions: pneumonia. The patient was prescribed Bactrim Forte (dosage: 6tab Per Day), which was started on Jul 09, 2013. Concurrently used drugs:
  • Wellvone
  • Torem (5mg Per Day)
  • Eltroxin (.1mg Per Day)
  • Pantozol (40mg Per Day)
  • Temesta (5mg Twice Per Day)
  • Rohypnol (1u Per Day)
  • Seretide (1puff Twice Per Day)
  • Prednisone (5mg Per Day)
When starting to take Bactrim Forte the consumer reported the following symptoms:
  • Anaphylactoid Reaction
  • Rash Macular
  • Rash Pruritic
  • Nausea
  • Blood Pressure Decreased
  • Headache
The patient was hospitalized. These side effects may potentially be related to Bactrim Forte.
Hepatic Enzyme Increased, Musculoskeletal Chest Pain, Neck Pain, Headache, Rash, Feeling Hot, Memory Impairment, Muscular Weakness

This Headache Bactrim 800/160mg side effect was reported by a consumer or non-health professional from US on Nov 14, 2013. A Female , 43 years of age, weighting 140.0 lb, was treated with Bactrim 800/160mg. The patient presented the following health conditions:
  • Hepatic Enzyme Increased
  • Musculoskeletal Chest Pain
  • Neck Pain
  • Headache
  • Rash
  • Feeling Hot
  • Memory Impairment
  • Muscular Weakness
. Bactrim 800/160mg dosage: 1 Pill Bid. Additional drugs used at the same time: NA. The patient was hospitalized.
Nasopharyngitis, Pyrexia, Cough, Lymphadenopathy, Ocular Hyperaemia, Headache

This is a Bactrim side effect report of a 30-year-old patient (weight:NA) from US, suffering from the following symptoms/conditions: acne, who was treated with Bactrim (dosage:NA, start time: Jul 25, 2012), combined with: NA., and developed a serious reaction and a Headache side effect. The patient presented with:
  • Nasopharyngitis
  • Pyrexia
  • Cough
  • Lymphadenopathy
  • Ocular Hyperaemia
  • Headache
which developed after the beginning of treatment. The patient was hospitalized. This side effect report can indicate a possible existence of increased vulnerability to Bactrim treatment in patients suffering from acne, resulting in Headache.

Pyrexia, Rash, Nausea, Vomiting, Headache, Fatigue, Cholestasis, Hepatic Steatosis

A 40-year-old female patient (weight: NA) from US with the following symptoms: NA started Bactrim treatment (dosage: NA) on Jun 17, 2010. Soon after starting Bactrim treatment, the consumer experienced several side effects, including:
  • Pyrexia
  • Rash
  • Nausea
  • Vomiting
  • Headache
  • Fatigue
  • Cholestasis
  • Hepatic Steatosis
. Concurrently used drugs:
  • Doxycycline
This finding indicates that some patients can be more vulnerable to developing Bactrim side effects, such as Headache.
Dizziness, Weight Decreased, Headache, Respiratory Tract Congestion

A patient from UNITED STATES was prescribed and started Bactrim Ds on Sep 15, 2011. Patient felt the following Bactrim side effects: dizziness, weight decreased, headache, respiratory tract congestion Additional patient health information: male , 65 years of age, The consumer reported the following symptoms: . Bactrim Ds dosage: NA. Concurrently used drugs:
  • Metoprolol Tartrate
  • Claritin
  • Oxycontin
  • Furosemide
  • Claritin-d
  • Revlimid (25 Mg, 1 In 1 D, Po ; 20-10mg, Daily, Po ; 5 Mg, 1 In 1 D, Po ; 10 Mg, 1 In 1 D, Po)
  • Revlimid (25 Mg, 1 In 1 D, Po ; 20-10mg, Daily, Po ; 5 Mg, 1 In 1 D, Po ; 10 Mg, 1 In 1 D, Po)
  • Revlimid (25 Mg, 1 In 1 D, Po ; 20-10mg, Daily, Po ; 5 Mg, 1 In 1 D, Po ; 10 Mg, 1 In 1 D, Po)
Nausea, Arthralgia, Muscle Spasms, Serotonin Syndrome, Fall, Confusional State, Headache

This report suggests a potential Bactrim Headache side effect(s) that can have serious consequences. A 46-year-old female patient from UNITED STATES (weight:NA) was diagnosed with the following health condition(s): NA and used Bactrim (dosage: 4 Pills A Day (x 10 Days)) starting Sep 16, 2011. Soon after starting Bactrim the patient began experiencing various side effects, including:
  • Nausea
  • Arthralgia
  • Muscle Spasms
  • Serotonin Syndrome
  • Fall
  • Confusional State
  • Headache
Drugs used concurrently:NA. The patient was hospitalized. Although Bactrim demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Headache, may still occur.
Hallucination, Headache

An adverse event was reported by a consumer or non-health professional on May 31, 2012 by a Female taking Bactrim Ds (dosage: 1-tab 2x Day) was diagnosed with and. Location: UNITED STATES , 79 years of age, weighting 100.0 lb, patient began experiencing various side effects, including: Directly after treatment started, patient experienced the unwanted or unexpected Bactrim side effects: hallucination, headache. Additional medications/treatments:
Associated medications used:
  • Macrobid (1-tab 2x Day)
Hypertension, Sinus Headache, Nerve Compression, Tenderness, Abdominal Pain Upper, Accident At Work, Asthma, Cervical Root Pain

This Headache problem was reported by a health professional from UNITED STATES. A female patient (weight: NA) was diagnosed with the following medical condition(s): NA.On Aug 17, 2011 a consumer started treatment with Bactrim (dosage: 800-160 Mg Tabs, 1 By Mouth Twice A Day X 7 Days). The following drugs/medications were being taken at the same time:
  • Metformin Hcl (1 Tablet Daily In Am)
  • Flonase (50 Ug, 1 Inh In Each Nostril 1x Day)
  • Atenolol And Chlorthalidone (50-25 Mg Tabs)
  • Crestor
  • Aciphex Tbec
  • Nexium
When commencing Bactrim, the patient experienced the following unwanted symptoms /side effects:
  • Hypertension
  • Sinus Headache
  • Nerve Compression
  • Tenderness
  • Abdominal Pain Upper
  • Accident At Work
  • Asthma
  • Cervical Root Pain
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Headache, may become evident only after a product is in use by the general population.
Chills, Paraesthesia, Faecal Incontinence, Hyperhidrosis, Headache, Hypotension, Diarrhoea, Hypoaesthesia

This is a Bactrim side effect report of a female patient (weight: NA) from UNITED STATES. The patient developed the following symptoms/conditions: cystitis,depression and was treated with Bactrim (dosage: NA) starting Dec 01, 2009. Concurrently used drugs:
  • Wellbutrin (Daily)
  • Probiotic (Off And On)
  • Humira
  • Stool Softner (Off And On)
  • Humira
  • Pentasa
Soon after that, the consumer experienced the following of symptoms:
  • Chills
  • Paraesthesia
  • Faecal Incontinence
  • Hyperhidrosis
  • Headache
  • Hypotension
  • Diarrhoea
  • Hypoaesthesia
This opens a possibility that Bactrim could cause Headache and that some female patients may be more susceptible.
Ear Discomfort, Tremor, Abdominal Distension, Asthenia, Nausea, Headache

This Headache side effect was reported by a consumer or non-health professional from UNITED STATES on Jan 11, 2011. A female patient from UNITED STATES , 70 years of age, weighting 124.1 lb, was diagnosed with and was treated with Bactrim. Directly after treatment started, patient experienced the unwanted or unexpected Bactrim side effects: ear discomfort, tremor, abdominal distension, asthenia, nausea, headache. Bactrim dosage: NA.
Associated medications used:
  • Zantac
  • Tylenol-500
  • Calcium Carbonate
  • Nifedipine
These side effects may potentially be related to Bactrim.
Musculoskeletal Pain, Pyrexia, Paralysis, Urinary Incontinence, Sensory Loss, Faecal Incontinence, Skin Burning Sensation, Tremor, Headache

This Headache side effect was reported by a consumer or non-health professional from FRANCE. A 14-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA. The patient was prescribed Bactrim Ds (dosage: NA), which was started on May 16, 2011. Concurrently used drugs:
  • Dexamethasone Acetate
  • Botox (200 Units, Single)
  • Temodal
When starting to take Bactrim Ds the consumer reported the following symptoms:
  • Musculoskeletal Pain
  • Pyrexia
  • Paralysis
  • Urinary Incontinence
  • Sensory Loss
  • Faecal Incontinence
  • Skin Burning Sensation
  • Tremor
  • Headache
The patient was hospitalized. These side effects may potentially be related to Bactrim Ds.
Vomiting, Hypoaesthesia, Balance Disorder, Pain In Extremity, Headache, Fatigue, Bradyphrenia, Hyperhidrosis, Chills

This Headache Bactrim side effect was reported by a consumer or non-health professional from UNITED STATES on Jun 15, 2011. A Female , 58 years of age, weighting 180.0 lb, was treated with Bactrim. The patient presented the following health conditions:
  • Vomiting
  • Hypoaesthesia
  • Balance Disorder
  • Pain In Extremity
  • Headache
  • Fatigue
  • Bradyphrenia
  • Hyperhidrosis
  • Chills
. Bactrim dosage: NA. Additional drugs used at the same time: NA.
Anxiety, Cardiac Failure Congestive, Headache, Dizziness, Orthopnoea, Acute Myocardial Infarction, Chest Discomfort, Palpitations, Dyspnoea

This is a Bactrim Ds side effect report of a 29-year-old female patient (weight:NA) from UNITED STATES, suffering from the following symptoms/conditions: NA, who was treated with Bactrim Ds (dosage:NA, start time: Aug 01, 2008), combined with:
  • Nasacort Aq (Unk Unk, Prn)
  • Coreg (6.25 Mg, Bid)
  • Phenergan Hcl
  • Yasmin
  • Aspirin (81 Mg, Qd)
  • Coreg (12.5 Mg, Bid)
  • Nicoderm (21 Mg, Qd)
  • Lasix (20 Mg, Qd)
, and developed a serious reaction and a Headache side effect. The patient presented with:
  • Anxiety
  • Cardiac Failure Congestive
  • Headache
  • Dizziness
  • Orthopnoea
  • Acute Myocardial Infarction
  • Chest Discomfort
  • Palpitations
  • Dyspnoea
which developed after the beginning of treatment. The patient was hospitalized. This side effect report can indicate a possible existence of increased vulnerability to Bactrim Ds treatment in female patients suffering from NA, resulting in Headache.
Myalgia, Eye Pain, Menorrhagia, Influenza, Nausea, Headache, Dizziness, Vision Blurred

A 38-year-old female patient (weight: NA) from UNITED STATES with the following symptoms: upper respiratory tract infection started Bactrim Ds treatment (dosage: 1 Tablet 2x A Day Po) on Apr 08, 2011. Soon after starting Bactrim Ds treatment, the consumer experienced several side effects, including:
  • Myalgia
  • Eye Pain
  • Menorrhagia
  • Influenza
  • Nausea
  • Headache
  • Dizziness
  • Vision Blurred
. Concurrently used drugs: NA.The patient was hospitalized. This finding indicates that some patients can be more vulnerable to developing Bactrim Ds side effects, such as Headache.
Deafness, Cardiac Disorder, Stevens-johnson Syndrome, Vision Blurred, Headache, Toxic Epidermal Necrolysis, Muscular Weakness

A female patient from UNITED STATES was prescribed and started Bactrim on Mar 08, 2011. After Bactrim was administered, patient encountered several Bactrim side effects: deafness, cardiac disorder, stevens-johnson syndrome, vision blurred, headache, toxic epidermal necrolysis, muscular weakness Additional patient health information: Female , 33 years of age, weighting 118.0 lb, The consumer reported the following symptoms: was diagnosed with and. Bactrim dosage: Twice Daily 2 Weeks. Concurrently used drugs:
  • Rocephin (Shots)
The patient was hospitalized.
Aphasia, Headache, Thinking Abnormal, Musculoskeletal Stiffness

This report suggests a potential Bactrim Headache side effect(s) that can have serious consequences. A patient from UNITED STATES (weight:NA) was diagnosed with the following health condition(s): NA and used Bactrim (dosage: NA) starting NS. Soon after starting Bactrim the patient began experiencing various side effects, including:
  • Aphasia
  • Headache
  • Thinking Abnormal
  • Musculoskeletal Stiffness
Drugs used concurrently:
  • Methotrexate
  • Acyclovir
  • Vicodin
  • Lorazepam
  • Lexapro
  • Lisinopril
The patient was hospitalized. Although Bactrim demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Headache, may still occur.
Pruritus, Myalgia, Skin Burning Sensation, Pain, Headache, Arthralgia, Pain Of Skin

An adverse event was reported by a consumer or non-health professional on Feb 04, 2011 by a Female taking Bactrim (dosage: 2x/day Oral) was diagnosed with and. Location: UNITED STATES , weighting 130.0 lb, patient began experiencing various side effects, including: Patient felt the following Bactrim side effects: pruritus, myalgia, skin burning sensation, pain, headache, arthralgia, pain of skin. Additional medications/treatments: The patient was hospitalized.
Renal Failure, Headache, Photophobia, Nervous System Disorder, Bladder Cancer, Hypertension, Transient Ischaemic Attack, Heart Rate Irregular, Pain

This Headache problem was reported by a physician from UNITED STATES. A female patient (weight: NA) was diagnosed with the following medical condition(s): NA.On Jan 01, 2002 a consumer started treatment with Bactrim (dosage: Unk). The following drugs/medications were being taken at the same time:
  • Atenolol And Chlorthalidone (Unk)
  • Tenormin (25 Mg, Unk)
  • Zestoretic (10/12.5 Mg, Unk)
When commencing Bactrim, the patient experienced the following unwanted symptoms /side effects:
  • Renal Failure
  • Headache
  • Photophobia
  • Nervous System Disorder
  • Bladder Cancer
  • Hypertension
  • Transient Ischaemic Attack
  • Heart Rate Irregular
  • Pain
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Headache, may become evident only after a product is in use by the general population.
Burning Sensation, Decreased Appetite, Dysphagia, Fatigue, Headache, Nausea, Stevens-johnson Syndrome

This is a Bactrim Double Strength 800/160 Sulfamethoxazole/trimethoprim side effect report of a 16-year-old patient (weight: NA) from UNITED STATES. The patient developed the following symptoms/conditions: staphylococcal skin infection and was treated with Bactrim Double Strength 800/160 Sulfamethoxazole/trimethoprim (dosage: 2 Double Strength Tablets Twice Daily Po) starting Nov 08, 2010. Concurrently used drugs: NA. Soon after that, the consumer experienced the following of symptoms:
  • Burning Sensation
  • Decreased Appetite
  • Dysphagia
  • Fatigue
  • Headache
  • Nausea
  • Stevens-johnson Syndrome
The patient was hospitalized. This opens a possibility that Bactrim Double Strength 800/160 Sulfamethoxazole/trimethoprim could cause Headache and that some patients may be more susceptible.
Dehydration, Eye Swelling, Glossodynia, Headache, Hypersensitivity, Pain, Pyrexia, Rash Maculo-papular, Skin Exfoliation

This Headache side effect was reported by a consumer or non-health professional from UNITED STATES on Aug 31, 2010. A female patient from UNITED STATES , 41 years of age, weighting 164.0 lb, was diagnosed with and was treated with Bactrim. Patient felt the following Bactrim side effects: dehydration, eye swelling, glossodynia, headache, hypersensitivity, pain, pyrexia, rash maculo-papular, skin exfoliation. Bactrim dosage: Twice Daily. These side effects may potentially be related to Bactrim.
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DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

Bactrim Headache Causes and Reviews


Almost everyone has had a Headache. Headache is the most common form of pain. It's a major reason people miss days at work or school or visit the doctor.

The most common type of Headache is a tension Headache. Tension Headaches are due to tight muscles in your shoulders, neck, scalp and jaw. They are often related to stress, depression or anxiety. You are more likely to get tension Headaches if you work too much, don't get enough sleep, miss meals, or use alcohol.

Other common types of Headaches include migraines, cluster Headaches, and sinus Headaches. Most people can feel much better by making lifestyle changes, learning ways to relax and taking pain relievers.

Not all Headaches require a doctor's attention. But sometimes Headaches warn of a more serious disorder. Let your health care provider know if you have sudden, severe Headaches. Get medical help right away if you have a Headache after a blow to your head, or if you have a Headache along with a stiff neck, fever, confusion, loss of consciousness, or pain in the eye or ear.

NIH: National Institute of Neurological Disorders and Stroke


Bactrim Headache Reviews

Mon, 24 Aug 2009
I took my 10 year old daughter to the ER last Sunday, over a week ago, and they diagnosed her with Urinary Tract Infection. They prescribed Sulfameth / Trimeth or Bactrim. Since taking the medicine, she has had some symptoms she cannot explain since she is only 10, but she tells me she has body aches, constant Headaches, and she also mentions that her heart hurts or jumps (palpitations). I also notice that her mood changes and that she has trouble going to sleep. Concerned, I went online and found that these are not listed as side affects. She doesn't get sick often, so I really worry about her. I decided last night to stop the medecine since she is very uncomfortable; I will not have her go thru this.
Sat, 15 Nov 2008
I'm going through it now, I have so many hives all over me that some parts of me look like I have sunburn. I facilate between thinking quot;just shoot me knowquot; and quot;I hope this ends soon, I can get through this.quot; I itch so much. It's everywhere. I also developed swollen nodules in the back of my head (near neck) and sides of neck (lymph nodes), had Headache, cough, swollen eyes, etc., went to ER last night and they fast tracked me in front of 40 waiting people! gave me prednisone (10 -20mg), z something (?) 2 tables? started with a 'Z', 2 benadryls and sent me home with a scrip for Predisone. They tole me drink a lot of water, so I was up all night itching and applying coritzone cream and going to the bathroom. I just took a luke warm bath, but it didn't help. I'd hate to think how I'd feel if I hadn't gone to ER, the rash has spread and itching is unbearable. I just lathered tea tree oil all over me having read it on natural health web site. Next I'll try chamomile tea bags, etc.
Mon, 24 Aug 2009
I took my 10 year old daughter to the ER last Sunday, over a week ago, and they diagnosed her with Urinary Tract Infection. They prescribed Sulfameth / Trimeth or Bactrim. Since taking the medicine, she has had some symptoms she cannot explain since she is only 10, but she tells me she has body aches, constant Headaches, and she also mentions that her heart hurts or jumps (palpitations). I also notice that her mood changes and that she has trouble going to sleep. Concerned, I went online and found that these are not listed as side affects. She doesn't get sick often, so I really worry about her. I decided last night to stop the medecine since she is very uncomfortable; I will not have her go thru this.
Tue, 24 Nov 2009
After taking Bactrim for 1 week and seeing no improvement in my impetigo my MD prescribed 2 tablets twice a day. I woke up that night with the worst Headache of my life. (I don't get Headaches!) My neck was stiff and my shoulders and back hurt so bad. My face was flushed but my hands and feet were ice cold. My muscles were sore and I felt like I had been kicked in the ribs. I was foggy and confused and had trouble concentrating. When I laid down my legs were very restless and I had ringing in my ears. MD said I had developed a virus that was causing these symptoms, not the Bactrim. Then, at Day 3, I developed severe stomach pain and heart palpitations. MD said to stop Bactrim at that point. So glad I found this website! Nice to know these side effects are real! No more Bactrim for me.
DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

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Top Bactrim Side Effects

Pyrexia (115)
Rash (109)
Nausea (99)
Stevens-johnson Syndrome (88)
Vomiting (71)
Renal Failure Acute (69)
Fatigue (62)
Headache (60)
Pruritus (58)
Asthenia (57)
Diarrhoea (53)
Pain (48)
Dyspnoea (48)
Chills (44)
Erythema (37)
Urticaria (37)
Abdominal Pain (35)
Hyperkalaemia (35)
Dizziness (34)
Alanine Aminotransferase Increased (32)
Toxic Epidermal Necrolysis (32)
Arthralgia (32)
Myalgia (31)
Thrombocytopenia (30)
Rash Erythematous (28)
Jaundice (28)
Aspartate Aminotransferase Increased (27)
Dehydration (27)
Blood Creatinine Increased (25)
Renal Failure (25)
Neutropenia (24)
Platelet Count Decreased (23)
Blister (22)
Hypersensitivity (22)
Insomnia (22)
Hypotension (21)
Pain In Extremity (20)
Anaemia (20)
Pneumonia (20)
Rash Pruritic (20)
Confusional State (20)
Cough (19)
Hyponatraemia (19)
Decreased Appetite (19)
Hyperhidrosis (18)
Skin Exfoliation (17)
Swelling Face (17)
White Blood Cell Count Decreased (17)
Rash Maculo-papular (17)
Pulmonary Embolism (17)

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