Yes you can combine the two. However, the codeine will increase the sedation effects of the anti-anxiety medication. Great care should be taken if driving or completing other tasks that require your attention. Also, alcohol will intensify the effects as well.
Yes
Yes. Effexor is an antidepressant and antianxiety, and Diclofenac is an NSAID (nonsteroidal anti-inflammatory drug). These two meds can be taken together, but while on the Diclofenac, do not take any other NSAID's, unless instructed by your doctor to do so. Your pharmacist can also advise you on this, as well as any other meds you may be taking.
No stupid child you will die.
Yes
If you are suitable to take each individually... Then yes, it's absolutely fine to take them together.
no it is not safe
It is not recommended, but to be safe, check with your doctor or pharmacist.
only if you want to have a good time.
The only person who can truthfully answer this is - a qualified medical professional !
It is best not to mix medications. Some meds do not mix well together.
No, you should not take them together because they are both very habit-forming and can affect your heart and respiration if you get too much.
The three best words you'll get on this question: ASK YOUR DOCTOR!