Compare Unisom vs. Robitussin DM
Head-to-head comparisons of medication uses, side effects, ratings, and more.
Unisom Sleeptabs (Doxylamine) can help you get a good night's sleep, but you can have a hard time waking up if you don't give yourself enough time to sleep.
Robitussin Dm (Guaifenesin / Dextromethorphan) is okay for loosening congestion in your chest and throat, but it could prevent you from coughing the mucus up. You have to take it more often than other guaifenesin products.
- Works well to help you fall asleep and doesn't make you feel groggy the next morning.
- Has fewer side effects than prescription sleep aid medications.
- Available over the counter without a prescription.
- Not habit-forming like other sleep aids can be.
- Robitussin Dm (Guaifenesin / Dextromethorphan) is a combination medicine that relieves multiple cold symptoms. It's good to use if you have chest congestion and a cough.
- Helps loosen the mucus and phlegm that builds up and causes productive, wet coughs.
- Shouldn't be used unless you have a full night to sleep.
- You shouldn't drive after taking Unisom Sleeptabs (Doxylamine) until you know how it affects you.
- Drinking alcohol while taking Unisom Sleeptabs (Doxylamine) isn't recommended.
- It can increase the risk of falls, so elderly people shouldn't use Unisom Sleeptabs (Doxylamine).
- Robitussin Dm (Guaifenesin / Dextromethorphan) isn’t useful if you have a dry cough without mucus or phlegm.
- The two medications in this product could potentially work against each other. Guaifenesin makes mucus easier to cough up, while dextromethorphan (the "DM" in Robitussin Dm (Guaifenesin / Dextromethorphan)) stops you from coughing.
- Needs to be taken more often during the day than other products with guaifenesin, like Mucinex.
- Can cause sleepiness, dizziness, and an upset stomach.
- Chewable tablet
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- Using other drugs with similar ingredients
- Increased side effects
- Age 65 years or older
- Driving impairment
- Taking with alcohol
- Taking other medicines that make you less alert
- Children age 6 years or younger
- Trouble urinating
- Enlarged prostate
- History of bladder problems
- Vision changes
- Nursing mothers
- Nausea and vomiting
- Serotonin syndrome
- Using other medications that affect serotonin
- Cough warning