Aller-Ease Side Effects

Generic name: fexofenadine

Medically reviewed by Drugs.com. Last updated on Oct 3, 2024.

Note: This document provides detailed information about Aller-Ease Side Effects associated with fexofenadine. Some dosage forms listed on this page may not apply specifically to the brand name Aller-Ease.

Applies to fexofenadine: oral suspension, oral tablet, oral tablet disintegrating.

Common side effects of Aller-Ease

Some side effects of fexofenadine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common side effects

• vomiting

Less common side effects

• back pain
• body aches or pain
• chills
• coughing
• diarrhea
• difficulty with moving
• dizziness
• ear congestion
• earache
• fever
• headache
• joint pain
• loss of voice
• muscle aching or cramping
• muscle pains or stiffness
• nasal congestion
• nausea
• pain in arms or legs
• pain or tenderness around eyes or cheekbones
• painful menstrual bleeding
• redness or swelling in ear
• ringing or buzzing in ears
• runny or stuffy nose
• sleepiness or unusual drowsiness
• sneezing
• sore throat
• stomach upset
• swollen joints
• unusual feeling of tiredness or weakness
• viral infection (such as cold and flu)

Rare side effects

• nervousness
• rash
• sleeplessness
• terrifying dreams
• trouble sleeping

Serious side effects of Aller-Ease

Along with its needed effects, fexofenadine (the active ingredient contained in Aller-Ease) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking fexofenadine:

Rare side effects

• chest tightness
• feeling of warmth, redness of the face, neck, arms and occasionally, upper chest
• large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
• shortness of breath, difficult or labored breathing

For healthcare professionals

Applies to fexofenadine: oral capsule, oral suspension, oral tablet, oral tablet disintegrating.

General adverse events

The most commonly reported side effects included headache, drowsiness, dizziness, and nausea.^[Ref]

Gastrointestinal

• Very common (10% or more): Vomiting (up to 12%)
• Common (1% to 10%): Nausea, diarrhea, stomach discomfort^[Ref]

Nervous system

• Very common (10% or more): Headache (up to 10.3%)
• Common (1% to 10%): Drowsiness, dizziness, somnolence^[Ref]

Other

• Common (1% to 10%): Otitis media, pyrexia, fatigue, extremity pain^[Ref]

Respiratory

• Common (1% to 10%): Cough, upper respiratory tract infection, rhinorrhea
• Frequency not reported: Dyspnea^[Ref]

Musculoskeletal

• Common (1% to 10%): Back pain^[Ref]

Genitourinary

• Common (1% to 10%): Dysmenorrhea^[Ref]

Psychiatric

• Frequency not reported: Insomnia, nervousness, nightmares, sleep disorders or paroniria/excessive dreaming^[Ref]

Cardiovascular

• Frequency not reported: Palpitations, tachycardia, chest tightness^[Ref]

Hypersensitivity

• Frequency not reported: Hypersensitivity reactions, angioedema, systemic anaphylaxis^[Ref]

Dermatologic

• Frequency not reported: Rash, pruritus, flushing^[Ref]

Frequently asked questions

• What are the most common skin conditions? (with photos)

Further information

Aller-Ease side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.

Medical Disclaimer