What happens if I overdose on Chlorpheniramine/Hydrocodone/Phenylephrine?
Seek emergency medical attention if you think you have used too much of this medicine. An overdose of hydrocodone can be fatal. Overdose symptoms may include dizziness, extreme drowsiness, feeling restless or nervous, nausea, vomiting, stomach pain, dry mouth, warmth or tingly feeling, seizure (convulsions), pinpoint pupils, confusion, cold and clammy skin, weak pulse, shallow breathing, fainting, or breathing that stops.
