Some of the dangers and side effects of mixing alcohol & muscle relaxers relate to the increased risk of abuse and addiction. This is a topic that should be discussed on its own, even outside of the conversation of alcohol and muscle relaxers, because it can happen with or without alcohol. You cannot tell until you try it. Doctors give trusted answers on uses, effects, side-effects, and cautions: Dr. Weisberger on tylenol muscle relaxer: It has value for some people and is ineffective for others. That way I could choose to take the straight codeine with either Tylenol Ultra for day (it has caffeine) or a muscle relaxant at night. My doctor offered me regular codeine & long-acting too, both in the lowest dose, so I could manage the pain as needed. Doctors give trusted answers on uses, effects, side-effects, and cautions: Dr. Jones on is it dangerous to take muscle relaxants and hydrocodone together: Generally, i would say no. Depends upon your health history, which muscle relaxant, how much hydrocodone you take, etc. Muscle relaxers, or muscle relaxants, are medications used to treat muscle spasms or muscle spasticity. Muscle spasms or cramps are sudden, involuntary contractions of a muscle or group of muscles. The only muscle relaxers i ever take are flexaril, so im not too familar with somas. Railing pain killers isnt very fun, it is alot of powder. You can crush it up and take it like BC powder and catch a good buzz. And before you ask, yes you can take benadryl and methocarbamol together. Also, try to not use xanax to strengthen codeine, cause a little to much of either of them when mixed with the other can cause an OD real quickly. Hope this helps! Oxycodone can cause side effects that include constipation, nausea, sedation, drowsiness and respiratory depression. Flexeril Marketed under the brand name Flexeril, cyclobenzaprine is available in the U.S. by prescription as a generic drug. I also guess that the best bet is.I can't take any of those codeine analog things cause I begin to itch insanely all over my body, and don't even notice that the pain is gone, which is way weird. I'm sure I d.So perhaps I should pursue some of the muscle relaxants and sleep aids as an alternative.