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Thanks for contacting with your health concern
1. without being able to examine him directly, I'm of the following opinion:
i. In case of vomiting with a headache and fever, rule out
meningitis.
ii. most fevers in general practice are viral, but before labeling a fever as viral, one must look for [as a compulsory routine] pallor, jaundice, neck
stiffness, abdomen for lier & spleen and Auscultate the chest.
iii. If there is a running epidemic e.g. malaria,
influenza,
viral hepatitis or typhoid in the locality, then that cause must be thought of first.
iv. If the fever doesn't reduce within 3-4 days of antibiotic treatment, ask for routine investigations - i.e. Hb%, WBC, ESR,
Widal Test, Urine and Chest X-ray.
PS. as you have seen your primary Doctor who has managed him symptomatically but may consult a Pathologist or an infectious disease specialist to know about the culprit behind the pathology, [i.e. was it viral, bacterial or parasitic infection] and then prescribe accordingly, till then:
- bed rest with small frequent feeds, soft diet, avoid chilies, spicy and oily food, maintain
oral hygiene.
- wash hands properly [before eating, after using the washroom and after handling pets/waste].
- drink boiled water and properly cooked vegetables [avoid raw/ undercooked food and tap water]
- wash all fruits and vegetables thoroughly before consumption.
- Add
probiotic food [curd, sourdough bread] which will help maintain proper digestive function]
- take plenty of water, liquids, orolyte, black tea, overripe bananas, coconut water. As loose motions decrease take soft diet, soft rice, bread, toast, cornflakes, dry fruits, salads.
- Avoid aerated drinks, milk, chilies, deep fried foods.