Antibiotics start working right away. It's going to take time before you start to feel better. Give it 3 days to a week. If no improvement, return to your doctor.
If you are taking Adderall for ADHD or narcolepsy, when you first start taking it, you may start to feel its effects in about an hour. However, as you keep taking it, your brain will develop a...
Standard chemo (Adriamicin, Cytotoxin, etc.) start to work nearly instantly. Putting it simply, they target the fastest growing cells, which typically are malignant cells. You're on your way to...
I noticed a change with 10 mg. within a couple of days. The full effect seems to be reached at about 4 weeks. So I'd say it starts to work right away. If you are very anxious or depressed you may not...