Skip to Content

Telmisartan Side Effects

It is possible that some side effects of telmisartan may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.

For the Consumer

Applies to telmisartan: oral tablet

As well as its needed effects, telmisartan may cause unwanted side effects that require medical attention.

If any of the following side effects occur while taking telmisartan, check with your doctor immediately:

  • Changes in vision
  • dizziness, lightheadedness, or fainting
  • fast heartbeat
  • large hives
  • painful urination or changes in urinary frequency
  • swelling in the hands, lower legs, and feet
Incidence not known
  • Blurred vision
  • chest pain or discomfort
  • confusion
  • dark-colored urine
  • decreased urine output
  • dilated neck veins
  • extreme fatigue
  • flushing
  • hives or welts
  • hoarseness
  • irregular breathing
  • irritation
  • itching
  • joint pain, stiffness, or swelling
  • large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
  • muscle cramps or stiffness
  • numbness or tingling in the hands, feet, or lips
  • pain or discomfort in the arms, jaw, back, or neck
  • pounding in the ears
  • rash
  • redness of the skin
  • slow, fast, or irregular heartbeat
  • sweating
  • swelling of the eyelids, face, or lips
  • tightness in the chest
  • trouble breathing or swallowing
  • trouble with speaking or walking
  • trouble with thinking
  • unusual tiredness or weakness
  • unusually warm skin
  • weakness or heaviness of the legs
  • weakness, numbness, or tingling in the arms or legs
  • weight gain

Some telmisartan side effects may not need any medical attention. As your body gets used to the medicine these side effects may disappear. Your health care professional may be able to help you prevent or reduce these side effects, but do check with them if any of the following side effects continue, or if you are concerned about them:

Less common
  • Abdominal or stomach pain
  • back pain
  • bloating or gas
  • changes in appetite
  • coughing
  • diarrhea
  • dry mouth
  • ear pain or hearing problems
  • fever
  • general tiredness or weakness
  • headache
  • heartburn
  • increased sweating
  • muscle pain or spasm
  • nausea
  • nervousness
  • runny or stuffy nose
  • sneezing
  • sore throat
Incidence not known
  • Acid or sour stomach
  • belching
  • decreased interest in sexual intercourse
  • difficulty with moving
  • inability to have or keep an erection
  • indigestion
  • joint pain
  • lack or loss of strength
  • leg cramps
  • loss in sexual ability, desire, drive, or performance
  • muscle aching
  • stomach discomfort or upset
  • swelling
  • weakness

For Healthcare Professionals

Applies to telmisartan: oral tablet


The most common adverse events reported in hypertension trials were back pain, sinusitis, and diarrhea. The most common adverse events reported in cardiovascular risk reduction trials were intermittent claudication and skin ulcer.[Ref]


Common (1% to 10%): Diarrhea, dyspepsia, nausea, abdominal pain
Uncommon (0.1% to 1%): Flatulence, vomiting, dry mouth, stomach discomfort, constipation, gastritis, hemorrhoids, gastroenteritis, enteritis, gastroesophageal reflux, toothache[Ref]


Common (1% to 10%): Hypotension, palpitation, intermittent claudication, hypertension
Uncommon (0.1% to 1%): Bradycardia, orthostatic hypotension, tachycardia, angina pectoris, flushing, dependent edema, abnormal ECG
Postmarketing reports: Atrial fibrillation, congestive heart failure, myocardial infarction, blood pressure increased, hypertension aggravated[Ref]


Common (1% to 10%): Coughing, upper respiratory tract infection, sinusitis, pharyngitis, bronchitis
Uncommon (0.1% to 1%): Dyspnea, asthma, epistaxis, rhinitis
Very rare (less than 0.01%): Interstitial lung disease[Ref]


Common (1% to 10%): Back pain, myalgia, arthralgia, muscle spasms
Uncommon (0.1% to 1%): Gout, pain in extremity, arthritis
Rare (less than 0.1%): Tendon pain, blood creatine phosphokinase increased
Postmarketing reports: Rhabdomyolysis[Ref]


Common (1% to 10%): Insomnia, anxiety, depression
Uncommon (0.1% to 1%): Nervousness[Ref]

Nervous system

Common (1% to 10%): Headache, dizziness
Uncommon (0.1% to 1%): Syncope, somnolence, migraine, paresthesia, hypoesthesia, cerebrovascular disorder
Rare (less than 0.1%): Dysgeusia[Ref]


Common (1% to 10%): Rash, skin ulcer
Uncommon (0.1% to 1%): Pruritus, hyperhidrosis, eczema, dermatitis, sweating increased
Rare (less than 0.1%): Erythema, urticaria, drug eruption, toxic skin eruption[Ref]


Common (1% to 10%): Urinary tract infection
Uncommon (0.1% to 1%): Micturition frequency, impotence, cystitis
Postmarketing reports: Erectile dysfunction[Ref]


Common (1% to 10%): Pain, fatigue, influenza-like illness, chest pain, peripheral edema
Uncommon (0.1% to 1%): Vertigo, asthenia, tinnitus, earache, malaise, fever, leg edema
Postmarketing reports: Face edema[Ref]


Uncommon (0.1% to 1%): Infection, fungal infection, abscess, otitis media, allergy, sepsis
Rare (less than 0.1%): Anaphylactic reaction, angioedema, hypersensitivity
Postmarketing reports: Angioneurotic edema[Ref]


Uncommon (0.1% to 1%): Hyperkalemia, hypercholesterolemia, diabetes mellitus
Rare (less than 0.1%): Hypoglycemia in diabetic patients[Ref]


Uncommon (0.1% to 1%): Anemia, hemoglobin decreased
Rare (less than 0.1%): Eosinophilia, thrombocytopenia[Ref]


Uncommon (0.1% to 1%): Renal impairment including acute renal failure, blood creatinine increased
Rare (less than 0.1%): Blood uric acid increased
Frequency not reported: Acute renal failure[Ref]


Uncommon (0.1% to 1%): Conjunctivitis, visual disturbance[Ref]


Rare (less than 0.1%): Hepatic function abnormal/liver disorder, hepatic enzyme increased[Ref]


1. "Product Information. Micardis (telmisartan)." Boehringer-Ingelheim, Ridgefield, CT.

2. Cerner Multum, Inc. "Australian Product Information." O 0

3. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.