This is an index of side effect / adverse reaction reports (a.k.a. adverse event reports) related to Cozaar (Losartan) and submitted to the FDA during the sample period of about a year. The information is not vetted and should not be considered as verified clinical evidence.
Reports by Event Outcome
All Cases (273)
Death (16)
Life Threatening Events (15)
Disability (10)
Reports by Reaction Type
Dizziness (20),
Pain (19),
Blood Pressure Increased (19),
Asthenia (19),
Somnolence (18),
Nausea (18),
Anaemia (18),
Malaise (16),
Feeling Abnormal (14),
Confusional State (13),
Headache (13),
Dehydration (13)
Below are a few examples of reports where side effects / adverse reactions may be related to Cozaar (Losartan). For a complete list or a specific selection of reports, please use the links above.
Possible Cozaar side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female
Reactions: Diabetes Mellitus, Pain, Disturbance in Attention, Feeling Abnormal, Paraesthesia
Drug(s) suspected as cause:
Cozaar
Dosage: unk
Xanax
Dosage: 0.25mg daily
Xanax
Dosage: half a tablet of 0.5mg
Possible Cozaar side effects in
Reported by a physician from United Kingdom on 2012-08-24
Patient:
Reactions: Dyspnoea, Chest Discomfort, Mouth Ulceration, Chest Pain, Tracheal Disorder, Cough
Drug(s) suspected as cause:
Amlodipine
Indication: Blood Pressure
Cozaar
Dosage: 100 mg, unk
Administration route: Oral
Indication: Blood Pressure
Losartan Potassium
Other drugs received by patient: Amlodipine Besylate
Possible Cozaar side effects in
Reported by a consumer/non-health professional from United States on 2012-08-23
Patient:
Reactions: Therapeutic Response Decreased, Blood Pressure Increased
Drug(s) suspected as cause:
Cozaar
Other drugs received by patient: Atenolol; Hydrochlorothiazide; Metformin HCL; Citalopram Hydrobromide
Possible Cozaar side effects in
Reported by a physician from United Kingdom on 2012-08-23
Patient:
Reactions: Cardiac Arrest
Adverse event resulted in: life threatening event
Drug(s) suspected as cause:
Cozaar
Other drugs received by patient: Allopurinol
Possible Cozaar side effects in
Reported by a consumer/non-health professional from United States on 2012-08-23
Patient:
Reactions: Allergy To Chemicals, Rash
Drug(s) suspected as cause:
Cozaar
Other drugs received by patient: Lasix; Betapace
Possible Cozaar side effects in
Reported by a consumer/non-health professional from United States on 2012-08-23
Patient:
Reactions: Drug Ineffective
Drug(s) suspected as cause:
Cozaar
Possible Cozaar side effects in
Reported by a consumer/non-health professional from United States on 2012-08-22
Patient:
Reactions: Nausea
Drug(s) suspected as cause:
Cozaar
Possible Cozaar side effects in
Reported by a pharmacist from United Kingdom on 2012-08-22
Patient:
Reactions: Migraine, Anaphylactic Shock, Rash
Drug(s) suspected as cause:
Cozaar
Dosage: unk
Administration route: Oral
Start date: 2012-07-12
Cozaar
Dosage: unk
Administration route: Oral
Start date: 2012-06-01
Cozaar
Dosage: unk
Administration route: Oral
Start date: 2012-06-19
Other drugs received by patient: Molipaxin; Lormetazepam; Estradiol; Metformin
Possible Cozaar side effects in
Reported by a physician from United States on 2012-08-22
Patient:
Reactions: Diarrhoea, Headache, Muscle Spasms
Drug(s) suspected as cause:
Cozaar
Other drugs received by patient: Metoprolol Tartrate; Synthroid; Amodin
Possible Cozaar side effects in male
Reported by a health professional (non-physician/pharmacist) from United States on 2012-08-20
Patient: male
Reactions: Abdominal Pain, Dyspnoea, Ileus
Adverse event resulted in: death
Drug(s) suspected as cause:
Cozaar
Indication: Product Used FOR Unknown Indication
Pegasys
Indication: Product Used FOR Unknown Indication
Ribavirin
Indication: Product Used FOR Unknown Indication
Other drugs received by patient: Incivek
Possible Cozaar side effects in 76 year old female
Reported by a consumer/non-health professional from United States on 2012-08-17
Patient: 76 year old female, weighing 68.9 kg (151.7 pounds)
Reactions: Joint Swelling, Hypertension
Drug(s) suspected as cause:
Cardura
Dosage: 5 mg, daily
Indication: Hypertension
Cozaar
Dosage: 100 mg, daily
Indication: Hypertension
Inderal LA
Dosage: 160 mg, daily
Indication: Hypertension
Toviaz
Dosage: 8 mg, daily
Indication: Hypertonic Bladder
Start date: 2012-01-01
Other drugs received by patient: Vitamin D
Possible Cozaar side effects in
Reported by a physician from United States on 2012-08-14
Patient:
Reactions: Myalgia, Gait Disturbance, Hepatic Enzyme Increased
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Cozaar
Possible Cozaar side effects in
Reported by a pharmacist from Japan on 2012-08-14
Patient:
Reactions: Drug Eruption
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Allopurinol
Start date: 1995-01-01
Cozaar
Administration route: Oral
Start date: 1995-01-01
Cozaar
Dosage: unk
Administration route: Oral
Start date: 1995-01-01
Possible Cozaar side effects in
Reported by a consumer/non-health professional from United States on 2012-08-10
Patient:
Reactions: Hypoacusis
Drug(s) suspected as cause:
Cozaar
Possible Cozaar side effects in
Reported by a consumer/non-health professional from United States on 2012-08-10
Patient:
Reactions: Drug Ineffective, Adverse Event
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Cozaar
Possible Cozaar side effects in
Reported by a consumer/non-health professional from United States on 2012-08-10
Patient:
Reactions: Blood Pressure Increased, Back Pain, Nausea, Injection Site Joint Swelling, Constipation, Injection Site Joint Pain, Fatigue, Balance Disorder, Dizziness, Hypersomnia
Drug(s) suspected as cause:
Cozaar
Dosage: unk, prn
Administration route: Oral
Indication: Blood Pressure Increased
Start date: 2012-01-01
Cozaar
Dosage: unk
Start date: 2012-06-11
Sodium Hyaluronate
Dosage: unk, once
Indication: Osteoarthritis
Start date: 2012-05-18
End date: 2012-05-18
Sodium Hyaluronate
Dosage: unk, once
Start date: 2012-05-25
End date: 2012-05-25
Sodium Hyaluronate
Dosage: unk, once
Start date: 2012-06-01
End date: 2012-06-01
Sodium Hyaluronate
Dosage: unk
Verapamil
Dosage: unk, prn
Indication: Blood Pressure Increased
Start date: 2012-01-01
Verapamil
Dosage: unk
Start date: 2012-06-06
End date: 2012-06-08
Other drugs received by patient: Vitamins (Unspecified)
Possible Cozaar side effects in
Reported by a physician from United States on 2012-08-10
Patient:
Reactions: Cardiac Flutter, Dizziness, Musculoskeletal Stiffness, Feeling Abnormal
Drug(s) suspected as cause:
Cozaar
Dosage: unk
Administration route: Oral
End date: 2012-05-01
Cozaar
Dosage: 100 mg, qd
Administration route: Oral
Start date: 2012-05-01
End date: 2012-05-01
Cozaar
Dosage: unk, qam
Administration route: Oral
Indication: Hypertension
Other drugs received by patient: Plavix; Metoprolol Tartrate
Possible Cozaar side effects in
Reported by a consumer/non-health professional from Italy on 2012-08-10
Patient:
Reactions: Nodal Arrhythmia
Adverse event resulted in: life threatening event
Drug(s) suspected as cause:
Cozaar
Dosage: 50 mg, qd
Administration route: Oral
Indication: Cardiac Failure
Start date: 2011-11-01
End date: 2012-07-24
Kanrenol
Dosage: 25 mg, qd
Administration route: Oral
Indication: Cardiac Failure
Start date: 2011-11-01
End date: 2012-07-24
Other drugs received by patient: Aspirin; Escitalopram; Omeprazole; Carvedilol; Lasix; Algix 30mg Compresse Rivestite CON Film; Trazodone HCL; Insulin; Levothyroxine Sodium
Possible Cozaar side effects in
Reported by a health professional (non-physician/pharmacist) from United States on 2012-08-10
Patient:
Reactions: Abdominal Pain, Dyspnoea, Ileus
Adverse event resulted in: death
Drug(s) suspected as cause:
Cozaar
Indication: Product Used FOR Unknown Indication
Pegasys
Indication: Product Used FOR Unknown Indication
Ribavirin
Indication: Product Used FOR Unknown Indication
Other drugs received by patient: Telaprevir
Possible Cozaar side effects in
Reported by a health professional (non-physician/pharmacist) from United States on 2012-08-06
Patient:
Reactions: Diabetes Mellitus, Urine Abnormality, Headache, Fatigue, Photophobia, Visual Impairment, Eyelid Ptosis, Dizziness, Muscle Spasms
Drug(s) suspected as cause:
Atacand
Administration route: Oral
Cozaar
Crestor
Dosage: unk
Administration route: Oral
Zocor
Possible Cozaar side effects in female
Reported by a physician from United States on 2012-08-03
Patient: female
Reactions: Anxiety
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Aspirin
Administration route: Oral
End date: 2012-02-05
Aspirin
Administration route: Oral
Start date: 2012-02-06
Brilinta
Administration route: Oral
Indication: Coronary Artery Disease
Start date: 2012-02-06
Buspar
Administration route: Oral
Indication: Anxiety
Celexa
Administration route: Oral
Indication: Depression
Cozaar
Administration route: Oral
Indication: Hypertension
Lipitor
Administration route: Oral
Indication: Hypercholesterolaemia
Metformin Hydrochloride
Administration route: Oral
Indication: Type 2 Diabetes Mellitus
Toprol-XL
Administration route: Oral
Indication: Hypertension
Other drugs received by patient: Metoclopramide Hydrochloride; Trazodone Hydrochloride; Carafate; Folic Acid; Nexium; Synthroid; Ativan
Possible Cozaar side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-03
Patient: female
Reactions: Hypersensitivity
Drug(s) suspected as cause:
Cozaar
Indication: Product Used FOR Unknown Indication
Niaspan
Dosage: 1xnite
Indication: Blood Cholesterol
Pravastatin Sodium
Indication: Blood Cholesterol
Other drugs received by patient: Aspirin; Fish OIL; Lipitor; Lisinopril and Hydrochlorothiazide; Dulcolax; Iron; Protonix; Mega RED; Once-A-DAY Women's Formula Vitamin; Ginko Bilo
Possible Cozaar side effects in
Reported by a pharmacist from United States on 2012-08-02
Patient:
Reactions: Heart Rate Decreased, Renal Impairment, Blood Creatinine Increased
Drug(s) suspected as cause:
Cozaar
Other drugs received by patient: Diltiazem HCL; Lipitor
Possible Cozaar side effects in
Reported by a pharmacist from United States on 2012-08-02
Patient:
Reactions: Malaise, Product Odour Abnormal, Abdominal Pain Upper
Drug(s) suspected as cause:
Cozaar
Other drugs received by patient: Iron (Unspecified)
Possible Cozaar side effects in
Reported by a health professional (non-physician/pharmacist) from United States on 2012-08-02
Patient:
Reactions: Dyspnoea, Malaise, Fatigue, Swelling, Cardiac Disorder
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Amlodipine
Dosage: 20 mg, unk
Cozaar
Dosage: 1 df, bid
Administration route: Oral
Foradil
Other drugs received by patient: Ranitidine; Domperidone
Possible Cozaar side effects in
Reported by a consumer/non-health professional from United States on 2012-08-02
Patient:
Reactions: Drug Ineffective, Blood Pressure Abnormal
Drug(s) suspected as cause:
Cozaar
Other drugs received by patient: Cenestin
Possible Cozaar side effects in
Reported by a consumer/non-health professional from Denmark on 2012-08-02
Patient:
Reactions: Renal Impairment, Blood Creatinine Increased
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Cozaar
Dosage: 50 mg, qd
Administration route: Oral
Indication: Hypertension
Start date: 2012-06-08
Januvia
Dosage: dosis: 100 mg 1 gang dagligt, styrke: 100
Administration route: Oral
End date: 2012-06-08
Januvia
Dosage: 100 mg, qd
Administration route: Oral
Indication: Type 2 Diabetes Mellitus
Start date: 2012-06-08
Losartan Potassium
Administration route: Oral
Indication: Hypertension
End date: 2012-06-08
Other drugs received by patient: Simvastatin; Aspirin; Magnyl; Carvedilol
Possible Cozaar side effects in
Reported by a pharmacist from United States on 2012-08-02
Patient:
Reactions: Blood Pressure Increased, Paraesthesia Oral, Product Odour Abnormal
Drug(s) suspected as cause:
Cozaar
Other drugs received by patient: Synthroid
Possible Cozaar side effects in
Reported by a consumer/non-health professional from United States on 2012-08-01
Patient:
Reactions: Renal Failure Acute
Adverse event resulted in: death, life threatening event, hospitalization
Drug(s) suspected as cause:
Cisplatin
Indication: Metastatic Gastric Cancer
Cozaar
Dosage: unk
Administration route: Oral
Indication: Hypertension
Start date: 2008-01-01
End date: 2012-01-01
Gimeracil (+) Oteracil Potassium (+) Tegafur
Indication: Metastatic Gastric Cancer
Other drugs received by patient: Morphine Sulfate; Domperidone; Nutritional Supplements; Gabapentin; Nortriptyline Hydrochloride; Morphine Sulfate; Dipyrone INJ; Alprazolam; Fluoxetine Hydrochloride; Lorazepam; Omeprazole; Domperidone; Metoclopramide; Acetaminophen; Metoclopramide
Possible Cozaar side effects in
Reported by a physician from Sweden on 2012-07-31
Patient:
Reactions: Basal Cell Carcinoma
Drug(s) suspected as cause:
Blinded Ezetimibe (+) Simvastatin
Administration route: Oral
Indication: Acute Coronary Syndrome
Start date: 2008-05-22
Blinded Post Trial Therapy
Administration route: Oral
Indication: Acute Coronary Syndrome
Start date: 2008-05-22
Blinded PRE Trial Therapy
Administration route: Oral
Indication: Acute Coronary Syndrome
Start date: 2008-05-22
Cozaar
Administration route: Oral
Start date: 2008-11-24
Placebo
Administration route: Oral
Indication: Acute Coronary Syndrome
Start date: 2008-05-22
Placebo
Dosage: unk
Administration route: Oral
Indication: Acute Coronary Syndrome
Start date: 2008-05-22
Simvastatin
Administration route: Oral
Indication: Acute Coronary Syndrome
Start date: 2008-05-22
Simvastatin
Dosage: unk
Administration route: Oral
Indication: Acute Coronary Syndrome
Start date: 2008-05-22
Other drugs received by patient: Simvastatin; Omeprazole; Bisoprolol Fumarate; Aspirin
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