How can we commit a suiside ? what medicine should we take? life is meaningless.

Wanting to Die: I am sorry to hear of your pain and the reality of your feelings that life is meaningless. There is not one physician here on health tap that would want to help you hurt yourself. Every single one of us knows the depth of your despair but we also know that this bad feeling is only temporary and there are real and wonderful ways to grow into a better mental state. Please ask for help at home.

Hope: You are clearly struggling ; in pain. Sometimes when everything feels meaningless, suicide might seem like the only option. But it isn't. I would never promise you that your life will be a rose garden. But, it can be better. Are you in therapy right now? Have you been evaluated by a clinical psychologist or a psychiatrist? For your quality of life to improve you will need to accept help. I think.