Chlorpheniramine / dextromethorphan / guaifenesin / methscopolamine / phenylephrine Side Effects
Applies to chlorpheniramine / dextromethorphan / guaifenesin / methscopolamine / phenylephrine: tablets
Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur while taking chlorpheniramine / dextromethorphan / guaifenesin / methscopolamine / phenylephrine:
Blurred vision; dizziness; drowsiness; dry mouth, nose, or throat; excitability or irritability (especially in children); giddiness; headache; lightheadedness; nausea; nervousness; trouble sleeping; unusual tiredness or weakness.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); fast or irregular heartbeat; flushing; hallucinations; mental or mood changes; seizures severe drowsiness; tremor; vomiting.
Not all side effects for chlorpheniramine / dextromethorphan / guaifenesin / methscopolamine / phenylephrine may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
More about chlorpheniramine/dextromethorphan/guaifenesin/methscopolamine/phenylephrine
- Side Effects
- Drug Interactions
- Support Group
- 0 Reviews – Add your own review/rating
- Drug class: upper respiratory combinations
Other brands: SymPak DM
Related treatment guides
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.