In my opinion your husband shall be fine soon.Do not disturb the clot.Apply Rexidin-M forte gel 3-4 times a day and rinse off gently after 15 min.
Next Steps
You can give him Tab ketorol dt 10 mg SOS.
Health Tips
Avoid giving him hot and spicy foods for a while cause that could aggrevate the pain. Prefer having cold foods as it will have a soothening effect.You can definately go for something like Ice creams which would generally help.