Lufyllin-400 Side Effects

Generic name: dyphylline

Medically reviewed by Drugs.com. Last updated on Sep 3, 2023.

Note: This document contains side effect information about dyphylline. Some dosage forms listed on this page may not apply to the brand name Lufyllin-400.

Applies to dyphylline: injectable solution, oral elixir, oral tablet.

Get emergency medical help if you have any of these signs of an allergic reaction while taking dyphylline (the active ingredient contained in Lufyllin-400) hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

• pounding heartbeats or fluttering in your chest;

• a light-headed feeling, like you might pass out;

• coughing up blood;

• muscle twitching, seizure (convulsions);

• confusion, tremors or shaking;

• high blood sugar--increased thirst, increased urination, hunger, dry mouth, fruity breath odor, drowsiness, dry skin, blurred vision, weight loss; or

• worsening or no improvement in your breathing symptoms.

Common side effects may include:

• nausea, vomiting, stomach pain, diarrhea;

• headache;

• sweating, or flushing (warmth, redness, or tingly feeling);

• sleep problems (insomnia); or

• feeling restless, nervous, or irritable;

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

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.

Medical Disclaimer