This treatment is being suggested on bases of the information provided. However  I would like to examine & investigate you in detail. Rule out Hypertension, Diabetes or any other metabolic disorder. Any way it may be tried, --. Dolokind Plus (Mankind) [Aceclofenac100 mg +Paracetamol 350 mg] 1 tab. OD & SOS. X 5 days. --. Caldikind plus  (Mankind) 1 tab OD x 10 days. (You may need help of your local doctor to get these medicines.) --. Fomentation with warm water. Let the part not be exposed to cold. --. Sleep on a hard bed with soft bedding. --. Keep  no pillow under the head. --. Avoid painful acts & activities. -- .Do mild exercises for back and hips and knees and ankles and feet. --.(Take help of a physiotherapist). --Do not ignore, let it not become beginning of a major problem. --Do ask for a detailed treatment plan. Kindly make sure, there is no allergy to any of these medicines. --For emergency treatment Contact your family doctor or visit nearest hospital. --Wish you a quick recovery & good health. --I hope, I have solved your problem to your satisfaction.   --Kindly rate the answer. Dr N C Gupta MS (ortho).

Yes any gel which helps to reduce the pain . I hope  you have taken all the precautions for dengue fever according to your physician

You can apply any gel to help reduce the pain,  hot water packs and massage also gives temporary relief. Post viral joint pain may remain for a while.  Give pain medication only when pain is severe.

Yes, it can be used. Post viral joint pain tends to linger on for a quite a while, where palliative treatment is the modality of choice in mild cases.