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Amlodipine Side Effects

In Summary

Commonly reported side effects of amlodipine include: edema. Other side effects include: fatigue, palpitations, and flushing. See below for a comprehensive list of adverse effects.

For the Consumer

Applies to amlodipine: oral tablet, oral tablet disintegrating

In addition to its needed effects, some unwanted effects may be caused by amlodipine. In the event that any of these side effects do occur, they may require medical attention.

Severity: Major

You should check with your doctor immediately if any of these side effects occur when taking amlodipine:

More common:
  • Swelling of the ankles or feet
Less common:
  • Difficult or labored breathing
  • dizziness
  • fast, irregular, pounding, or racing heartbeat or pulse
  • feeling of warmth
  • redness of the face, neck, arms, and occasionally, upper chest
  • shortness of breath
  • tightness in the chest
  • wheezing
Rare:
  • Black, tarry stools
  • bleeding gums
  • blistering, peeling, or loosening of the skin
  • blood in the urine or stools
  • blurred vision
  • burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  • chest pain or discomfort
  • chills
  • cold and clammy skin
  • cold sweats
  • confusion
  • dark yellow urine
  • cough
  • diarrhea
  • dilated neck veins
  • dizziness or lightheadedness when getting up from a lying or sitting position
  • extra heartbeats
  • extreme fatigue
  • fainting
  • fever
  • itching of the skin
  • joint or muscle pain
  • large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
  • numbness and tingling of the face, fingers, or toes
  • pain in the arms, legs, or lower back, especially pain in the calves or heels upon exertion
  • painful or difficult urination
  • pale, bluish-colored, or cold hands or feet
  • pinpoint red or purple spots on the skin
  • red, irritated eyes
  • redness of the face, neck, arms, and occasionally, upper chest
  • redness, soreness or itching skin
  • shakiness in the legs, arms, hands, or feet
  • slow or irregular heartbeat
  • sore throat
  • sores, ulcers, or white spots on the lips or in the mouth
  • sores, welting, or blisters
  • sudden sweating
  • sweating
  • swelling of the face, fingers, feet, or lower legs
  • swollen glands
  • trembling or shaking of the hands or feet
  • unsteadiness or awkwardness
  • unusual bleeding or bruising
  • unusual tiredness or weakness
  • weak or absent pulses in the legs
  • weakness in the arms, hands, legs, or feet
  • weight gain
  • yellow eyes or skin
Incidence not known:
  • Abdominal or stomach pain
  • clay-colored stools
  • diarrhea
  • headache
  • loss of appetite
  • nausea
  • rash
  • unpleasant breath odor
  • vomiting of blood
  • yellow eyes or skin

Severity: Minor

Some of the side effects that can occur with amlodipine may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:

Less common:
  • Acid or sour stomach
  • belching
  • heartburn
  • indigestion
  • lack or loss of strength
  • muscle cramps
  • sleepiness or unusual drowsiness
  • stomach discomfort, upset, or pain
Rare:
  • Abnormal dreams
  • anxiety
  • back pain
  • bad unusual or unpleasant (after) taste
  • bleeding gums
  • blistering, crusting, irritation, itching, or reddening of the skin
  • bloating
  • bloody nose
  • burning feeling in the chest or stomach
  • burning while urinating
  • burning, dry, or itching eyes
  • change in color of the treated skin
  • change in sense of smell
  • change in taste
  • changes in vision
  • constipation
  • continuing ringing or buzzing or other unexplained noise in the ears
  • cracked, dry, or scaly skin
  • decreased sexual performance or desire
  • depression
  • difficulty with moving
  • difficulty with swallowing
  • discharge, excessive tearing
  • double vision
  • dry mouth
  • dryness of the skin
  • excess air or gas in the stomach or intestines
  • excessive muscle tone
  • eye pain
  • feeling of constant movement of self or surroundings
  • feeling of unreality
  • feeling unusually cold
  • flushed, dry skin
  • fruit-like breath odor
  • full feeling
  • general feeling of discomfort or illness
  • hair loss or thinning of the hair
  • headache, severe and throbbing
  • hearing loss
  • hyperventilation
  • increased appetite
  • increased hunger
  • increased sweating
  • increased thirst
  • increased urge to urinate during the night
  • increased urination
  • irritability
  • irritation in the mouth
  • lack of feeling or emotion
  • loose stools
  • loss of memory
  • muscle pains or stiffness
  • muscle tension or tightness
  • muscle weakness
  • nervousness
  • pain
  • pains in the stomach, side, or abdomen, possibly radiating to the back
  • passing gas
  • problems with memory
  • redness and swelling of the gums
  • redness, pain, or swelling of the eye, eyelid, or inner lining of the eyelid
  • restlessness
  • runny nose
  • seeing double
  • sensation of spinning
  • sense of detachment from self or body
  • shakiness and unsteady walk
  • shivering
  • sleeplessness
  • sneezing
  • stuffy nose
  • sweating
  • swollen joints
  • tenderness in the stomach area
  • thirst
  • trouble in holding or releasing urine
  • trouble sleeping
  • twitching
  • unable to sleep
  • uncaring
  • unexplained weight loss
  • unsteadiness, trembling, or other problems with muscle control or coordination
  • waking to urinate at night
  • weight loss
Incidence not known:
  • Swelling of the breasts or breast soreness in both females and males

For Healthcare Professionals

Applies to amlodipine: oral tablet, oral tablet disintegrating

General

The most commonly reported side effects include headache, edema, rash, fatigue, and dizziness.[Ref]

Cardiovascular

Myocardial infarction, chest pain, and arrhythmia (e.g., bradycardia, ventricular tachycardia, atrial fibrillation) cannot be distinguished from the natural history of the underlying disease.

Edema occurred in 14.6% of female patients given this drug compared to 5.6% of male patients, and was more likely to occur in patients given the 10 mg dose (compared to the 5 and 2.5 mg doses).[Ref]

Very common (10% or more): Edema (up to 14.6%)
Common (1% to 10%): Palpitations, ankle edema
Uncommon (0.1% to 1%): Hypotension, chest pain
Very rare (less than 0.01%): Myocardial infarction, arrhythmia (including bradycardia, ventricular tachycardia, atrial fibrillation), vasculitis, cardiac failure, pulse irregularity, extrasystoles, hot flush
Frequency not reported: Tachycardia, peripheral ischemia, postural hypotension[Ref]

Nervous system

Common (1% to 10%): Somnolence, dizziness, headache
Uncommon (0.1% to 1%): Tremor, taste perversion/dysgeusia, syncope, hypoesthesia, paresthesia
Very rare (less than 0.01%): Hypertonia, peripheral neuropathy, ataxia, migraine, amnesia, parosmia
Frequency not reported: Extrapyramidal syndrome, postural dizziness, vertigo[Ref]

Headache occurred commonly during clinical trials, especially at the beginning of treatment.

Extrapyramidal syndrome may be associated with this drug.[Ref]

Gastrointestinal

Common (1% to 10%): Abdominal pain, nausea
Uncommon (0.1% to 1%): Vomiting, dyspepsia, altered bowel habits (including diarrhea and constipation), dry mouth
Very rare (less than 0.01%): Pancreatitis, gastritis, gingival hyperplasia, loose stools
Frequency not reported: Dysphagia, flatulence[Ref]

Dermatologic

Common (1% to 10%): Flushing
Uncommon (0.1% to 1%): Alopecia, skin discoloration, increased sweating/hyperhidrosis, pruritus, rash, exanthema
Very rare (less than 0.01%): Erythema multiforme, urticaria, exfoliative dermatitis, Stevens-Johnson syndrome, Quincke edema, photosensitivity, skin dryness, cold and clammy skin, dermatitis[Ref]

Other

Common (1% to 10%): Fatigue
Uncommon (0.1% to 1%): Tinnitus, asthenia, pain, malaise
Frequency not reported: Rigors, thirst[Ref]

Genitourinary

Uncommon (0.1% to 1%): Micturition disorder, nocturia, increased urinary frequency, impotence
Very rare (less than 0.01%): Dysuria, polyuria
Frequency not reported: Male/female sexual dysfunction[Ref]

Musculoskeletal

Uncommon (0.1% to 1%): Arthralgia, myalgia, muscle cramps, back pain
Very rare (less than 0.01%): Muscle weakness
Frequency not reported: Arthrosis, twitching[Ref]

Psychiatric

Uncommon (0.1% to 1%): Insomnia, mood changes (including anxiety), depression
Rare (0.01% to 0.1%): Confusion
Frequency not reported: Abnormal dreams, depersonalization, nervousness, apathy, agitation[Ref]

Respiratory

Uncommon (0.1% to 1%): Dyspnea, rhinitis
Very rare (less than 0.01%): Cough
Frequency not reported: Epistaxis[Ref]

Ocular

Uncommon (0.1% to 1%): Visual disturbance (including diplopia)
Very rare (less than 0.01%): Abnormal visual accommodation, xerophthalmia
Frequency not reported: Abnormal vision, conjunctivitis, eye pain[Ref]

Metabolic

Uncommon (0.1% to 1%): Weight increase/decrease
Very rare (less than 0.01%): Hyperglycemia, increased appetite
Frequency not reported: Anorexia[Ref]

Hematologic

Uncommon (0.1% to 1%): Purpura
Very rare (less than 0.01%): Leukopenia, thrombocytopenia[Ref]

Endocrine

Uncommon (0.1% to 1%): Gynecomastia[Ref]

Hepatic

Very rare (less than 0.01%): Hepatitis, jaundice, hepatic enzymes increased[Ref]

Increased hepatic enzymes were mostly consistent with cholestasis.

Some cases of hepatitis, jaundice, and/or hepatic enzyme elevations were severe enough to require hospitalization; however, the association with this drug was uncertain in most cases.[Ref]

Hypersensitivity

Very rare (less than 0.01%): Allergic reactions, angioedema[Ref]

References

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

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

3. "Product Information. Norvasc (amlodipine)." Pfizer US Pharmaceuticals, New York, NY.

Not all side effects for amlodipine may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

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. Drugs.com 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.

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