Delayed period is not because of medicine, wait for 1 week and go for pregnancy test if you had sex.

Homoeopathy has a good treatment for this. Take homoeopathic medicine Rhus tox 200 daily 5 drops in water in the morning and evening for 10 days and give feedback. For further help consult privately (Prime-Rs.149/)

You need the regularization of menstrual cycle with herbal safe preparations for 4-6 months, you have to keep patience, if interested inform.

This is basically pericoronitis
it happens in erupting wisdom tooth please take combiflam for pain control (twice a day for three days)
do warm salt water rinsing at least four times a day
show it to a near by dentist as fast as you can he will examine and then prescribe you antibiotics.

Pain during sleep or lying down is a classic sign of nerve /pulp damage of the tooth. You need to visit a dentist to get the treatment. most probably you will have to get a RCT done followed by a crown. In the mean time you can take some pain-killer like Combiflam tablet. The tablets will give you some relief but definitive treatment requires visit to your dentist. I hope this helps.

Kindly get his x-ray done. May be he has to get root canal treatment done followed by a crown or cap. Till then you can give him a pain killer.

For immediate pain relief take tab. Ketanov 2-3 times a day after food. From your description, sound like you may have chipped or broken a tooth. Consult with a dentist to make sure there is no problem.

It might be because tooth decay or wisdom tooth problem (based on your age) consult a nearest dentist to get relief.

If you are sure it is dengue and platelets are around 1 lakh or more, you need not get him tested for it again and again. Give him liquid diet ,norishing but fat free , juices , ORS type water / with fresh lemon is good. It takes about 5 days or less for fever to become normal. No Aspirin, No Brufen , No Combiflam for Fever. Only Paracetamol 500 mg 8 hourly.

Looks like you have a stye. Give warm water compresses to the swelling. Take some oral antibiotics (tab ciprofloxacin 500mg twice daily) and some pain killer (combiflam twice daily). Remember to take these tablets after food. If it doesn't come down within 2-3 days consult a doctor.