What should i do about low sex drive and no strong erection? can this be corrected? what are the tests that should be taken?

There : There are a number of possible causes. Your doctor will probably want to check out if this could be a side effect from a medication you are taking. Don't know your age, but there are certain medical conditions that can lead to sexual dysfunction. One of the really big reasons for sexual dysfunction can be emotional. If your are having issues with your partner, if you are depressed. If none of these things seem to be the cause, the doctor may do hormone studies.

There : There are many causes for these symptoms. There are medical conditions which may have this symptom including diabetes mellitus, hypertension, thyroid problems, anemia, low testosterone. It is often a symptom in people under a lot of stress, or psychological conditions such as depression. It may be a symptom side effect of medications, the chronic use of alcohol, marijuana, drug use. Of course performnce anxiety (of failing at sex) is also a major source of problems. It is also a normal aging process. Your physician can help you sort thru this. Common blood tests performed include cbc, glucose, tsh, t4, testosterone, iron. Best wishes.