Can i wear sun screen spf50 to counter the photosentivity from doxycycline hyclate 100mg?. is that an effective solution?

It may offer some protection, but most clinicians still recommend avoidance of sun and the wearing of, hats and proper clothing as well. You don't want to end up in the emergency room with a severe reaction although some patients don't experience photo sensitivity. Taking no more than 40 mgs of doxy per day may avoid photosensitivity according to some studies.

It can be: Some of the best strategies are avoiding sun or wearing clothing that blocks sunlight effectively. However, SPF 50+ sunscreen may be effective. Things to keep in mind: apply at least 1 oz (a full shot glass) evenly to your body, and reapply it no less than every 2 hours of sun exposure. If you’ll be in a tropical country, be sure to get professional travel medicine counseling before departing.