Is there any effective medicine for irregular periods?

I did not get monthly interval till I was 16 years hoary but after taking alopathic medicine I get twice or thrice.All reports sonographyy is normal. But still not getting period.My weight is 97 kg and age is 20 years.Kindly suggest tablets.
Answers:

The potential health problems that might attend vegetarianism?

I'm on the pill for regulating my period, it be anywhere between 4 and 6 weeks when I didn't take it. But what you're describing is far more irregular; ask your doctor if taking the pill will be a obedient idea!

Pregnant!?

mine are irregular too. the best drug is birth controll

How long after I come off of antibiotics can my birth control pills become effectual again?

well if you have have blood work and everything is normal but you really want to fashion them predictable than if you are not trying to get pregnant than try birth control, it will regulate your period.

I had a term for 5 days, then it stopped. Then I have spotting of brownish to pink blood, now zilch.?

Try a low dose birth controll pill like ortho tri-cyclyn LO. It is wonderful for your generous of condition.I know you didn't ask this but your being lower than weight can do you to have irregular period.