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Zyrtec Headache Side Effects

Zyrtec Headache Side Effect Reports


The following Zyrtec 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 Zyrtec or it might take time to develop.



Blood Pressure Increased, Headache, Off Label Use

This Headache side effect was reported by a consumer or non-health professional from US. A 78-year-old female patient (weight:NA) experienced the following symptoms/conditions: middle ear effusion,ear discomfort,thyroid disorder,gastric disorder. The patient was prescribed Zyrtec Ir (dosage: NA), which was started on Nov 13, 2013. Concurrently used drugs: NA. When starting to take Zyrtec Ir the consumer reported the following symptoms:
  • Blood Pressure Increased
  • Headache
  • Off Label Use
These side effects may potentially be related to Zyrtec Ir.
Headache

This Headache Zyrtec Liquid Gels 10 Mg side effect was reported by a consumer or non-health professional from US on Sep 17, 2013. A Female , 35 years of age, weighting 170.0 lb, was diagnosed with and was treated with Zyrtec Liquid Gels 10 Mg. The patient presented the following health conditions:
  • Headache
. Zyrtec Liquid Gels 10 Mg dosage: Qd,. Additional drugs used at the same time: NA.
Headache

This is a Zyrtec Liquid Gels 10 Mg side effect report of a 54-year-old female patient (weight:NA) from US, suffering from the following symptoms/conditions: seasonal allergy, who was treated with Zyrtec Liquid Gels 10 Mg (dosage:1 Df, Once, start time: Feb 18, 2013), combined with: NA., and developed a serious reaction and a Headache side effect. The patient presented with:
  • Headache
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Zyrtec Liquid Gels 10 Mg treatment in female patients suffering from seasonal allergy, resulting in Headache.

Headache, Dizziness

A 19-year-old patient (weight: NA) from US with the following symptoms: hypersensitivity started Zyrtec Liquid Gels 10 Mg treatment (dosage: 1 Df, Prn,) on Dec 23, 2012. Soon after starting Zyrtec Liquid Gels 10 Mg treatment, the consumer experienced several side effects, including:
  • Headache
  • Dizziness
. Concurrently used drugs: NA. This finding indicates that some patients can be more vulnerable to developing Zyrtec Liquid Gels 10 Mg side effects, such as Headache.
Blood Pressure Increased, Headache

A female patient from US was prescribed and started Zyrtec Liquid Gels 10 Mg on Sep 17, 2013. Patient felt the following Zyrtec side effects: blood pressure increased, headache Additional patient health information: Female , 64 years of age, weighting 227.1 lb, The consumer reported the following symptoms: was diagnosed with and. Zyrtec Liquid Gels 10 Mg dosage: 1 Df, Qd,. Concurrently used drugs:
  • Dilantin (400,mg, Qd,)
Headache, Asthenia, Chills, Nausea

This report suggests a potential Zyrtec Liquid Gels 10 Mg Headache side effect(s) that can have serious consequences. A 78-year-old female patient from US (weight:NA) was diagnosed with the following health condition(s): seasonal allergy and used Zyrtec Liquid Gels 10 Mg (dosage: 1 Capsule, Once,) starting Sep 13, 2012. Soon after starting Zyrtec Liquid Gels 10 Mg the patient began experiencing various side effects, including:
  • Headache
  • Asthenia
  • Chills
  • Nausea
Drugs used concurrently:NA. Although Zyrtec Liquid Gels 10 Mg demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Headache, may still occur.
Dysarthria, Amnesia, Abnormal Behaviour, Dizziness, Headache, Off Label Use

An adverse event was reported by a physician on Jan 07, 2013 by a male taking Zyrtec (dosage: 5 Mg Qd, Half Tablet) . Location: CH , child 11 years of age, patient began experiencing various side effects, including: Directly after treatment started, patient experienced the unwanted or unexpected Zyrtec side effects: dysarthria, amnesia, abnormal behaviour, dizziness, headache, off label use. Additional medications/treatments:
Flushing, Headache

This Headache problem was reported by a health professional from SG. A 78-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): NA.On NS a consumer started treatment with Zyrtec (dosage: NA). The following drugs/medications were being taken at the same time: NA. When commencing Zyrtec, the patient experienced the following unwanted symptoms /side effects:
  • Flushing
  • Headache
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.
Oculogyric Crisis, Confusional State, Initial Insomnia, Headache, Eye Pain, Feeling Jittery, Eye Movement Disorder, Restlessness, Tremor

This is a Zyrtec side effect report of a patient (weight: NA) from US. The patient developed the following symptoms/conditions: NA and was treated with Zyrtec (dosage: NA) starting Aug 31, 2000. Concurrently used drugs: NA. Soon after that, the consumer experienced the following of symptoms:
  • Oculogyric Crisis
  • Confusional State
  • Initial Insomnia
  • Headache
  • Eye Pain
  • Feeling Jittery
  • Eye Movement Disorder
  • Restlessness
  • Tremor
This opens a possibility that Zyrtec could cause Headache and that some patients may be more susceptible.
Depression, Pain In Extremity, Pruritus, Dysphagia, Panic Attack, Dry Mouth, Nasal Discomfort, Headache, Paraesthesia

This Headache side effect was reported by a consumer or non-health professional from US on Nov 21, 2012. A female patient from US , 23 years of age, was diagnosed with and was treated with Zyrtec. Directly after treatment started, patient experienced the unwanted or unexpected Zyrtec side effects: depression, pain in extremity, pruritus, dysphagia, panic attack, dry mouth, nasal discomfort, headache, paraesthesia. Zyrtec dosage: NA. These side effects may potentially be related to Zyrtec.
Mood Altered, Headache, Anger, Personality Change, Fatigue

This Headache side effect was reported by a consumer or non-health professional from US. A 55-year-old female patient (weight:NA) experienced the following symptoms/conditions: sinus headache. The patient was prescribed Zyrtec (dosage: 10 Mg 1x Po), which was started on NS. Concurrently used drugs: NA. When starting to take Zyrtec the consumer reported the following symptoms:
  • Mood Altered
  • Headache
  • Anger
  • Personality Change
  • Fatigue
These side effects may potentially be related to Zyrtec.
Vision Blurred, Pollakiuria, Headache

This Headache Zyrtec side effect was reported by a consumer or non-health professional from UNITED STATES on Jun 19, 2012. A Female , weighting 147.0 lb, was treated with Zyrtec. The patient presented the following health conditions:
  • Vision Blurred
  • Pollakiuria
  • Headache
. Zyrtec dosage: NA. Additional drugs used at the same time: NA.
Breast Pain, Pelvic Pain, Headache, Menstruation Irregular, Nausea

This is a Zyrtec side effect report of a female patient (weight:NA) from UNITED STATES, suffering from the following symptoms/conditions: food allergy,anaemia,seasonal allergy,post coital contraception, who was treated with Zyrtec (dosage:NA, start time: Jun 19, 2012), combined with:
  • Evey Woman's Iron Support
, and developed a serious reaction and a Headache side effect. The patient presented with:
  • Breast Pain
  • Pelvic Pain
  • Headache
  • Menstruation Irregular
  • Nausea
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Zyrtec treatment in female patients suffering from food allergy,anaemia,seasonal allergy,post coital contraception, resulting in Headache.
Osteonecrosis Of Jaw, Anxiety, Muscle Spasms, Pain In Extremity, Headache, Insomnia, Osteomyelitis, Upper Respiratory Tract Infection

A 45-year-old female patient (weight: NA) from UNITED STATES with the following symptoms: NA started Zyrtec treatment (dosage: NA) on Sep 22, 2004. Soon after starting Zyrtec treatment, the consumer experienced several side effects, including:
  • Osteonecrosis Of Jaw
  • Anxiety
  • Muscle Spasms
  • Pain In Extremity
  • Headache
  • Insomnia
  • Osteomyelitis
  • Upper Respiratory Tract Infection
. Concurrently used drugs:
  • Citracal
  • Fosamax
  • Fosamax
This finding indicates that some patients can be more vulnerable to developing Zyrtec side effects, such as Headache.
Vision Blurred, Headache, Pollakiuria

A female patient from UNITED STATES was prescribed and started Zyrtec on May 07, 2012. After Zyrtec was administered, patient encountered several Zyrtec side effects: vision blurred, headache, pollakiuria Additional patient health information: Female , 63 years of age, weighting 147.0 lb, The consumer reported the following symptoms: . Zyrtec dosage: NA. Concurrently used drugs: NA.
Headache, Hypertension

This report suggests a potential Zyrtec Headache side effect(s) that can have serious consequences. A 56-year-old female patient from UNITED STATES (weight:NA) was diagnosed with the following health condition(s): NA and used Zyrtec (dosage: NA) starting Dec 28, 2010. Soon after starting Zyrtec the patient began experiencing various side effects, including:
  • Headache
  • Hypertension
Drugs used concurrently:
  • Gilenya (0.5 Mg, Qd, Oral)
  • Synthroid
Although Zyrtec demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Headache, may still occur.
Withdrawal Syndrome, Dizziness, Headache, Nausea, Feeling Abnormal

An adverse event was reported by a consumer or non-health professional on Mar 19, 2012 by a Female taking Zyrtec (dosage: 10 Mg, Daily) was diagnosed with and. Location: UNITED STATES , weighting 224.9 lb, patient began experiencing various side effects, including: Patient felt the following Zyrtec side effects: withdrawal syndrome, dizziness, headache, nausea, feeling abnormal. Additional medications/treatments:
Multiple prescriptions taken:
  • Pristiq (15 Mg, Daily)
  • Lexapro (10 Mg, Daily)
  • Pristiq
  • Lexapro
Headache, Infusion Related Reaction

This Headache problem was reported by a health professional from UNITED STATES. A 53-year-old patient (weight: NA) was diagnosed with the following medical condition(s): NA.On Sep 12, 2011 a consumer started treatment with Zyrtec (dosage: NA). The following drugs/medications were being taken at the same time:
  • Ambien
  • Humira
  • Allopurinol
  • Solu-medrol
  • Krystexxa (X1;iv ; 8 Mg;x1;iv ; 8 Mg;x1;iv)
  • Krystexxa (X1;iv ; 8 Mg;x1;iv ; 8 Mg;x1;iv)
  • Krystexxa (X1;iv ; 8 Mg;x1;iv ; 8 Mg;x1;iv)
  • Naproxen
When commencing Zyrtec, the patient experienced the following unwanted symptoms /side effects:
  • Headache
  • Infusion Related Reaction
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.
Hypersensitivity, Chest Discomfort, Feeling Abnormal, Diarrhoea, Dyspnoea, Headache, Dyspepsia, Urticaria, Swelling

This is a Zyrtec side effect report of a 53-year-old patient (weight: NA) from NORWAY. The patient developed the following symptoms/conditions: NA and was treated with Zyrtec (dosage: 1 Tablet) starting NS. Concurrently used drugs:
  • Voltaren (50 Mg, Unk)
  • Voltaren (50 Mg, 1 Tablet)
  • Pinex Forte (1 Tablet (30 Mg Codeine Phosphate And 500 Mg Paracetamol))
Soon after that, the consumer experienced the following of symptoms:
  • Hypersensitivity
  • Chest Discomfort
  • Feeling Abnormal
  • Diarrhoea
  • Dyspnoea
  • Headache
  • Dyspepsia
  • Urticaria
  • Swelling
This opens a possibility that Zyrtec could cause Headache and that some patients may be more susceptible.
Headache

This Headache side effect was reported by a consumer or non-health professional from UNITED STATES on Oct 20, 2011. A female patient from UNITED STATES , 31 years of age, weighting 131.0 lb, was treated with Zyrtec. Patient felt the following Zyrtec side effects: headache. Zyrtec dosage: 10 Mg, Unk.
Multiple prescriptions taken:
  • Drospirenone And Ethinyl Estradiol (3-0.03 Mg)
  • Enbrel (50 Mg, Unk)
These side effects may potentially be related to Zyrtec.
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DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

Zyrtec 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


Zyrtec Headache Reviews

Fri, 21 May 2010

I took one dose and experienced a bout of pancreatitis. I suffer from chronic pancreatitis and know what most of my "triggers" are.....never thought a simple allergy medication would cause such a problem, I think I would rather suffer allergies than risk pancreatitis.

Sat, 05 Nov 2011

Started on Zyrtec on the suggestion of my dermatologist for treatment of hives. Rash that resulted from the Zyrtec a MILLION times worse than the original hives. Had the same reaction to Seldane.

Tue, 09 Feb 2010

I have Type 2 Diabetes, when taking my level in the morning I noticed my level was elevated, and the only thing I had ingested was a Zyrtec pill about 2 hours prior? Could the pill be the cause?

Wed, 03 Dec 2008
Does Zyrtec inrease blood sugar levels? I have been taking 10m a day for 10 days and have notices symptoms of high blood sugar, when tested it was in the high 100's. Has anyone heard of this side effect?
Sat, 13 Aug 2011
I have had and am having a bad reaction to Zyrtec. My eyes are inflamed and my throat is sore. Lips are swollen. My tongue is white. I will be forced to go to the Emergency at the hospital.
Sun, 28 Mar 2010
I took Zyrtec for a week and while it does solve my allergy issues, it makes me a raving lunatic. Severe aggression, mood swings, and nightmares are the norm for me n this medicine. I would not recommend it if you are taking any anti anxiety or anti depressants.
Mon, 23 May 2011
bad gastritis or abdominal pain; had to get into tub with hot shower on my belly;never had a worse experience or pain; thought I was going to die; malaise; moderate ear pain
DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

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Top Zyrtec Side Effects

Pruritus (212)
Pain (145)
Fatigue (145)
Dizziness (140)
Somnolence (133)
Urticaria (132)
Dyspnoea (132)
Nausea (116)
Hypersensitivity (114)
Headache (113)
Insomnia (112)
Depression (105)
Feeling Abnormal (105)
Rash (103)
Anxiety (96)
Off Label Use (94)
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Product Quality Issue (92)
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Overdose (41)
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Injury (39)
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Irritability (36)
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Pyrexia (36)
Abdominal Pain Upper (35)
Deep Vein Thrombosis (34)
Hallucination (34)
Fall (34)
Asthma (33)
Diarrhoea (31)
Palpitations (30)
Malaise (30)
Suicidal Ideation (29)
Blood Pressure Increased (28)
Abdominal Pain (28)
Disturbance In Attention (27)
Cough (27)
Pain In Extremity (27)
Contusion (26)
Dry Mouth (26)
Chest Discomfort (26)
Anger (25)
Cholecystitis Chronic (25)
Weight Increased (25)
Back Pain (24)

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