Hello I need more information about your problems

His weight is slightly over high side...his BMI is over 27... Does he have constipation?? And he is suffering from BP from?? See BP is the diseases which come under life style disorders..and his age is only 25 so its a matter of concern and its may get converted in serious problems if it is not treated early... Allopathy medicine will increase day by day if it is not control with same medicine...its better to go with Ayurveda we have to change its lifestyle and some medicines....and along with that we have to reduce weight.... For ur fissure we have increase ur digestion power and to relieve constipation if its there.. And for allergy we have to increase its immunity....

If still not got solution, chat ll guide you futher

Required proper Homoeopathic treatment. Help him to resolve this problem effectively and without any side effects.

High fiber diet,stool softener,local applications  of anti inflammatory anaesthetic ointment. Control BP

Anal Fissure can be conveniently treated by Graded Kshar Karma Therapy. In this treatment; a specialized Ayurvedic medicine is applied in fissure region. This medicine debrides the fissure and induces healing. Usually 3-5 Graded Kshar Karma sittings are required for complete healing of fissure at weekly intervals. For further support you may call reception at Sushruta Ano Rectal Institute.

See likely he will need detail investigation

Consult me online I will guide you.. homepathic treatment is safe and best suitable