Histex HC Side Effects

Generic name: carbinoxamine / hydrocodone / pseudoephedrine

Note: This document contains side effect information about carbinoxamine / hydrocodone / pseudoephedrine. Some of the dosage forms listed on this page may not apply to the brand name Histex HC.

Some side effects of Histex HC may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

Applies to carbinoxamine / hydrocodone / pseudoephedrine: oral liquid

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

Stop using this medication and call your doctor at once if you have any of these serious side effects:

• fast, pounding, or uneven heartbeats;

• shallow breathing, slow heartbeat;

• severe dizziness, fainting, anxiety, restless feeling, nervousness, or tremor;

• confusion, hallucinations, unusual thoughts or behavior;

• easy bruising or bleeding, unusual weakness, fever, chills, body aches, flu symptoms;

• urinating less than usual or not at all; or

• increased blood pressure (severe headache, blurred vision, trouble concentrating, chest pain, numbness, seizure).

Keep taking the medication and talk to your doctor if you have any of these less serious side effects:

• nausea, vomiting, stomach pain, constipation, mild loss of appetite;

• problems with memory or concentration;

• ringing in your ears;

• warmth, tingling, or redness under your skin;

• restless or excitability (especially in children); or

• sleep problems (insomnia).

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

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