Coughing, runny nose, occasional nose bleeds and watery eyes. OB said I can take tussin dm, Benadryl, Vicks, Zyrtec, cough drops and tea. That's all. Compare Benadryl vs. Robitussin DM, which is better for uses like: Cough, Allergy and Congestion. Compare head-to-head ratings, side effects, warnings, dosages, interactions and patient reviews. Patients rated Robitussin DM 4.1/5 over Benadryl 3.7/5 in overall satisfaction. \nThe combination can make you very drowsy. I found this first hand by taking just 0.5 mg Ativan and 5 mg Benadryl about 2 hours apart. I slept for 7 hours afterwards and still woke up a bit drousy. Doctors give trusted answers on uses, effects, side-effects, and cautions: Dr. Leazzo on can i take robitussin dm and benadryl together: This combination could make you very sleepy so be careful - in some cases there could be serious consequenses. See your doctor for more definitive treatment of your cough. Nous voudrions effectuer une description ici mais le site que vous consultez ne nous en laisse pas la possibilité. Can Robitussin DM and Benadryl together while pregnant? We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Can patients take Benadryl and Allegra together Patients can take Benadryl and Allegra together in recommendable doses if there are no contraindications. They are both antihistamines, their effects will become additive and they will reduce allergic symptoms. Doctors give unbiased, trusted information on whether Benadryl can cause or treat Congestion: Dr. Villaplana on can you take robitussin chest and congestion be taken with benadryl: Yes no significant reaction.