Hello dear. 40 days should be sufficient to eliminate the infection. Your treatment is on point and precautions you're taking are also ok.
It could be a relapse. Something is missing. Either the diagnosis needs revision or your treatment protocol.
Don't apply neem oil/ aloevera/ home remedies. These can aggravate the pruritus.
Next Steps
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Health Tips
Continue antihistamines daily for another 2 weeks