It is likely that your primary problem is toothache which is causing the fever and the headache. I would advise you to meet a dentist so that your teeth can be assessed. It is likely to be a tooth infection, in which case you would require antibiotics, analgesics, antipyretics, antihistamines and antacids. The following steps may help:
- Avoid cold food and water, preferably have hot food and water
- Don't skip meals have a liquid diet containing soups and progressively increase to solid diet as per how you can tolerate.
- Have food rich in
vitamin C such as oranges to help build immunity.
- Drink plenty of fluids, drink 3 liters of water per day
- Do salt water gargling with lukewarm water thrice a day
- Do steam inhalation (plain steam) thrice a day and apply vaporub over your chest and nose
- Maintain good personal hygiene
- Rest plenty, body heals while at rest