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Back Pain (35)
Neck Pain (31)
Shortness Of Breath (18)
Light Chest Pain (17)
Depression (17)
Extremely Bad Pain In Oesophagus (15)
Fatigue (12)
>>View All User Submitted Doxycycline Side Effects

Doxycycline Side Effects and Adverse Effects reported to US Food and Drug Administration (FDA)

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  Showing 51-75 of 1250 

Abdominal Pain, Diarrhoea (8392434-8)
on May 23, 2012 Female from UNITED STATES , weighting 137.8 lb, was treated with Doxycycline Hyclate. Directly after, patient experienced the unwanted or unexpected Doxycycline side effects: abdominal pain, diarrhoea. Doxycycline Hyclate dosage: Unk.
Associated medications used:
  • Bactrim (Unk)


Swollen Tongue, Pharyngeal Oedema, Pruritus (8391570-X)
Patient was taking Doxycycline Hyclate. Patient felt the following Doxycycline side effects: swollen tongue, pharyngeal oedema, pruritus on May 22, 2012 from UNITED KINGDOM Additional patient health information: Female , 29 years of age, . Doxycycline Hyclate dosage: Unk.

Pneumonia, Acute Coronary Syndrome, Atrial Fibrillation, Loss Of Consciousness, Cardiogenic Shock, Myocardial Infarction (8390919-1)
Adverse event was reported on May 22, 2012 by a Male taking Doxycycline (Dosage: N/A) was diagnosed with
  • chronic obstructive pulmonary disease
and. Location: PHILIPPINES , weighting 97.00 lb, After Doxycycline was administered, patient encountered several Doxycycline side effects: pneumonia, acute coronary syndrome, atrial fibrillation, loss of consciousness, cardiogenic shock, myocardial infarction.
Multiple concurrent drugs taken:
  • Aspirin
  • Budesonide/formoterol
  • Isosorbide Mononitrate
  • Tiotropium Bromide (2.5 Mcg)
  • Losartan Potassium And Hydrochlorothiazide
  • Catapres
Patient was hospitalized.

Interstitial Lung Disease, Alveolitis (8386919-8)
on May 14, 2012 Female from , 58 years of age, was diagnosed with
  • rosacea
and was treated with Doxycycline. Directly after, patient experienced the unwanted or unexpected Doxycycline side effects: interstitial lung disease, alveolitis. Doxycycline dosage: 100mg/day For 2 Months. Patient was hospitalized.


Eosinophilia, Interstitial Lung Disease (8386918-6)
on May 14, 2012 Male from , 20 years of age, was diagnosed with
  • acne
and was treated with Doxycycline. Patient felt the following Doxycycline side effects: eosinophilia, interstitial lung disease. Doxycycline dosage: 100mg/day For 2 Months.

Renal Disorder, Nervous System Disorder, Pancreatic Disorder, Vasculitis, Stevens-johnson Syndrome (8386348-7)
Patient was taking Doxycycline. After Doxycycline was administered, patient encountered several Doxycycline side effects: renal disorder, nervous system disorder, pancreatic disorder, vasculitis, stevens-johnson syndrome on May 15, 2012 from GERMANY Additional patient health information: Female , 45 years of age, was diagnosed with
  • systemic lupus erythematosus
and. Doxycycline dosage: N/A.
Multiple concurrent drugs taken:
  • Ciprofloxacin
Patient was hospitalized.

Cheilitis, Skin Exfoliation, Rectal Haemorrhage, Xerosis, Anal Fissure (8386130-0)
Adverse event was reported on May 11, 2012 by a Male taking Doxycycline (Dosage: 200 Mg/day) was diagnosed with
  • acne cystic
and. Location: TURKEY , 17 years of age, Directly after, patient experienced the unwanted or unexpected Doxycycline side effects: cheilitis, skin exfoliation, rectal haemorrhage, xerosis, anal fissure.
Associated medications used:
  • Triamcinolone Acetonide (5 Unk, Unk)
  • Isotretinoin (30 Mg, Bid)


Irritable Bowel Syndrome, Inflammatory Bowel Disease, Depression, Dry Skin, Colitis Ulcerative, Colonic Polyp, Deep Vein Thrombosis, Blood Cholesterol Increased, Haemorrhoids (8381417-X)
on May 15, 2012 Female from UNITED STATES , weighting 134.9 lb, was diagnosed with
  • acne
and was treated with Doxycycline. Patient felt the following Doxycycline side effects: irritable bowel syndrome, inflammatory bowel disease, depression, dry skin, colitis ulcerative, colonic polyp, deep vein thrombosis, blood cholesterol increased, haemorrhoids. Doxycycline dosage: N/A.
Multiple prescriptions taken:
  • Accutane
  • Accutane
  • Accutane
  • Accutane
  • Accutane
Patient was hospitalized.

Ascites, Pain In Extremity, Rash, Acne, Gastrointestinal Haemorrhage (8380158-2)
on May 14, 2012 Male from UNITED STATES , 54 years of age, was treated with Doxycycline Hyclate. After Doxycycline was administered, patient encountered several Doxycycline side effects: ascites, pain in extremity, rash, acne, gastrointestinal haemorrhage. Doxycycline Hyclate dosage: N/A.
Multiple concurrent drugs taken:
  • Caprelsa
Patient was hospitalized.

Pulmonary Embolism, Pain, Anxiety, Deep Vein Thrombosis, Injury (8379386-1)
Patient was taking Doxycycline. Directly after, patient experienced the unwanted or unexpected Doxycycline side effects: pulmonary embolism, pain, anxiety, deep vein thrombosis, injury on May 17, 2012 from UNITED STATES Additional patient health information: Female , 25 years of age, weighting 149.9 lb, . Doxycycline dosage: 100 Mg, Once.
Associated medications used:
  • Probiotics
  • Prozac (40 Mg, Qd)
  • Slacker Ii
  • Acai Berry
  • Venlafaxine (37.5 Mg, Unk)
  • Effexor (Unk)
  • Ibuprofen (800 Mg, Prn)
  • Prozac (20 Mg, Qd)
Patient was hospitalized.

Alopecia (8376837-3)
Adverse event was reported on May 11, 2012 by a Female taking Doxycycline Hyclate (Dosage: N/A) . Location: DENMARK , 32 years of age, Patient felt the following Doxycycline side effects: alopecia.
Multiple prescriptions taken:
  • Yasmin
  • Amoxicillin


Stevens-johnson Syndrome (8369369-X)
on May 04, 2012 Female from GERMANY , 45 years of age, was treated with Doxycycline. After Doxycycline was administered, patient encountered several Doxycycline side effects: stevens-johnson syndrome. Doxycycline dosage: Unk.
Multiple concurrent drugs taken:
  • Ciprofloxacin (Unk)
Patient was hospitalized.

Epilepsy (8368462-5)
on May 15, 2012 Female from UNITED KINGDOM , 18 years of age, weighting 119.0 lb, was diagnosed with
  • sinusitis
and was treated with Doxycycline. Directly after, patient experienced the unwanted or unexpected Doxycycline side effects: epilepsy. Doxycycline dosage: N/A.
Associated medications used:
  • Keppra
  • Loratadine (10 Mg, Qd)
  • Lamotrigine (200 Mg, Bid)
  • Nexplanon (68 Mg, Unk)


Alopecia (8367337-5)
Patient was taking Doxycycline Monohydrate. Patient felt the following Doxycycline side effects: alopecia on May 11, 2012 from UNITED KINGDOM Additional patient health information: Female , 32 years of age, weighting 121.3 lb, . Doxycycline Monohydrate dosage: N/A.
Multiple prescriptions taken:
  • Amoxicillin
  • Yasmin


Injury, Pain, Deep Vein Thrombosis (8366189-7)
Adverse event was reported on May 11, 2012 by a Female taking Doxycycline (Dosage: 100 Mg, Unk) was diagnosed with
  • pelvic infection
  • pain
and. Location: UNITED STATES , 36 years of age, weighting 127.0 lb, After Doxycycline was administered, patient encountered several Doxycycline side effects: injury, pain, deep vein thrombosis.
Multiple concurrent drugs taken:
  • Toradol (30 Mg, Unk)
  • Rocephin (250 Mg, Unk)
  • Hydrocodone Bitartrate (5mg/500mg)
  • Vicodin
  • Yaz (Unk)
  • Migrin-a (2 Caps)
  • Ibuprofen (advil) (Unk)
Patient was hospitalized.

Pulmonary Embolism (8364480-1)
on May 11, 2012 Female from UNITED STATES , 20 years of age, weighting 160.9 lb, was treated with Doxycycline. Directly after, patient experienced the unwanted or unexpected Doxycycline side effects: pulmonary embolism. Doxycycline dosage: Unk.
Associated medications used:
  • Yasmin
  • Sarafem
  • Adapalene (Unk)
Patient was hospitalized.

Vomiting, Gastrointestinal Disorder, Feeling Abnormal, Abasia, Impaired Driving Ability, Malaise (8363217-X)
on May 09, 2012 Female from UNITED STATES , 72 years of age, was treated with Doxycycline Hyclate. Patient felt the following Doxycycline side effects: vomiting, gastrointestinal disorder, feeling abnormal, abasia, impaired driving ability, malaise. Doxycycline Hyclate dosage: Unk.

Interstitial Lung Disease, Pulmonary Eosinophilia (8357589-X)
Patient was taking Doxycycline Hyclate. After Doxycycline was administered, patient encountered several Doxycycline side effects: interstitial lung disease, pulmonary eosinophilia on Apr 26, 2012 from FRANCE Additional patient health information: Male , 20 years of age, was diagnosed with
  • acne
and. Doxycycline Hyclate dosage: 100 Mg,. Patient was hospitalized.

Myocardial Infarction, Cardiogenic Shock (8353179-3)
Adverse event was reported on May 02, 2012 by a Male taking Doxycycline (Dosage: N/A) was diagnosed with
  • chronic obstructive pulmonary disease
  • angina pectoris
and. Location: PHILIPPINES , weighting 97.00 lb, Directly after, patient experienced the unwanted or unexpected Doxycycline side effects: myocardial infarction, cardiogenic shock.
Associated medications used:
  • Isosorbide Mononitrate
  • Budesonide/formoterol
  • Catapres
  • Losartan Potassium And Hydrochlorothiazide
  • Aspirin
  • Tiotropium Bromide (2.5 Mcg)
Patient was hospitalized.

Pallor, Bradycardia, Left Ventricular Dysfunction, Hyperhidrosis, Circulatory Collapse, Somnolence, Sinus Tachycardia, Vomiting (8352384-X)
on Apr 25, 2012 Female from SPAIN , child 12 years of age, was diagnosed with
  • borrelia infection
and was treated with Doxycycline Hyclate. Patient felt the following Doxycycline side effects: pallor, bradycardia, left ventricular dysfunction, hyperhidrosis, circulatory collapse, somnolence, sinus tachycardia, vomiting. Doxycycline Hyclate dosage: Iv. Patient was hospitalized.

Adverse Reaction, Pseudolymphoma, Agitation, International Normalised Ratio Increased, Hepatic Failure, Blood Alkaline Phosphatase Increased, Prothrombin Time Prolonged, Alanine Aminotransferase Increased (8349516-6)
on Apr 27, 2012 Female from UNITED KINGDOM , 32 years of age, was treated with Doxycycline. After Doxycycline was administered, patient encountered several Doxycycline side effects: adverse reaction, pseudolymphoma, agitation, international normalised ratio increased, hepatic failure, blood alkaline phosphatase increased, prothrombin time prolonged, alanine aminotransferase increased. Doxycycline dosage: N/A.
Multiple concurrent drugs taken:
  • Clarithromycin
  • Rifampicin (Dose Unit: 600 Mg)
  • Acetaminophen (Dose As Used: 2-4 G For Several Weeks)
  • Acetaminophen (Dose As Used: 2-4 G For Several Weeks)
  • Acetaminophen (Dose As Used: 2-4 G For Several Weeks)
  • Rifampicin (Dose Unit: 600 Mg)
Patient was hospitalized.

Renal Impairment, Nausea, Abdominal Discomfort (8348702-9)
Patient was taking Doxycycline Hyclate. Directly after, patient experienced the unwanted or unexpected Doxycycline side effects: renal impairment, nausea, abdominal discomfort on Apr 27, 2012 from UNITED STATES Additional patient health information: Female , 74 years of age, weighting 133.0 lb, was diagnosed with
  • endocarditis
  • bartonellosis
and. Doxycycline Hyclate dosage: 100 Mg;bid; 100 Mg;bid;.

Burn Oesophageal, Oesophageal Ulcer, Foreign Body (8348700-5)
Adverse event was reported on Apr 24, 2012 by a Female taking Doxycycline Hyclate (Dosage: 100 Mg;po) was diagnosed with
  • sexually transmitted disease
and. Location: DENMARK , 23 years of age, Patient felt the following Doxycycline side effects: burn oesophageal, oesophageal ulcer, foreign body. Patient was hospitalized.

Convulsion, Condition Aggravated (8348033-7)
on Apr 27, 2012 Female from UNITED KINGDOM , 18 years of age, weighting 119.0 lb, was treated with Doxycycline. After Doxycycline was administered, patient encountered several Doxycycline side effects: convulsion, condition aggravated. Doxycycline dosage: N/A.
Multiple concurrent drugs taken:
  • Nexplanon (68 Mg, Subdermal)
  • Lamotrigine (200 Mg, 2 In 1 D, Oral)
  • Keppra
  • Loratadine


Interstitial Lung Disease (8347910-0)
on Apr 24, 2012 Male from FRANCE , 20 years of age, was diagnosed with
  • acne
and was treated with Doxycycline. Directly after, patient experienced the unwanted or unexpected Doxycycline side effects: interstitial lung disease. Doxycycline dosage: 100 Mg, Daily. Patient was hospitalized.

  Showing 51-75 of 1250 

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It is very important to keep track of all side effects and discuss them with your doctor. If you think you may have a medical emergency, call your doctor or 911 immediately.

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Most drugs have a large list of nonsevere or mild adverse effects which do not rule out continued usage. These effects depend on individual sensitivity, and can include nausea, dizziness, diarrhea, malaise, vomiting, headache, dermatitis, dry mouth, etc. Check commonly reported side effects . These can be considered a form of pseudo-allergic reaction, as not all users experience these effects; many users experience none at all.

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

Doxycycline Information

Alternative DOXYCYCLINE Names:DOXYCYCLI

Active Ingredient: DOXYCYCLI

Doxycycline Dosage, Warnings, Usage.

Side Effects reported to FDA: 1250. View Doxycycline Adverse Reports

Doxycycline safety alerts: 2001

Reported deaths: 43

Reported hospitalizations: 379

Managing Your Medicines

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Before Taking Doxycycline

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