Acrivastine / Pseudoephedrine Side Effects

Medically reviewed by Drugs.com. Last updated on Jun 2, 2025.

Applies to acrivastine / pseudoephedrine: oral capsule.

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

• fever and skin redness with small pus-filled bumps;

• fast heart rate; or

• pounding heartbeats or fluttering in your chest.

Side effects such as dizziness, drowsiness, and urination problems may be more likely in older adults.

Common side effects may include:

• dizziness, drowsiness;

• dry mouth;

• sinus pain;

• nausea; or

• headache.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

See also:

For healthcare professionals

Applies to acrivastine / pseudoephedrine: oral capsule.

Nervous system adverse events

• Very common (10% or more): Headache (19%), somnolence (12%)
• Common (1% to 10%): Dizziness^[Ref]

Gastrointestinal

• Common (1% to 10%): Dry mouth, nausea, dyspepsia^[Ref]

Hypersensitivity

• Postmarketing reports: Serious hypersensitivity reactions (anaphylaxis, angioedema, bronchospasm, erythema multiforme)^[Ref]

Psychiatric

• Common (1% to 10%): Insomnia, nervousness

Genitourinary

• Common (1% to 10%): Dysmenorrhea

Respiratory

• Common (1% to 10%): Pharyngitis, cough increase

Other

• Common (1% to 10%): Asthenia

Further information

Acrivastine/pseudoephedrine 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