What's the best way to relieve itching from mosquito bites?

Caladryl: Or topical Benadryl (diphenhydramine) are two products you could try using to relieve itching. Every doctor has their own personal preference.

Itching: Store aloe vera gel in the refrigerator & apply to affected area. Rub basil leaf on the bite. It repels mosquitoes & has anti-inflammatory effect. Consider applying calamine lotion or can apply crushed ice or a cold pack. A 1 to 1 mix of water & baking soda is effective when applied to lesions. You can take oral medications like Benadryl (diphenhydramine) or Chlorpheniramine for itching.