 [ Symptoms ] my husband takes gabapentin hydrocodone venlafaxine & hydroxyzine what otc meds can he take for congestion & cough [ Disease ] to provide you with the best advice i would need to know more about your husband is medical history and current symptoms in general decongestants that contain pseudoephedrine would be safe considering his medications as far as the cough goes it would depend on the type of cough he has if it is a loose cough it would be safe for him to use guaifenesin an expectorant to help him bring up the phlegm that is making him cough guaifenesin would not interact with is medications i suggest you talk to your pharmacist who can collect more specific information from you and make the best recommendation