What are effective remedies for enlarged pores, oily skin and multiple recurrent blemishes?

2 weeks would be a tad early to stop the treatment, as mentioned. A course of antibiotics usually takes at least 3 – 4 months. Sometimes, Differin can cause an initial outbreak during the first month or so and if it causes excessive dryness, irritation and flaking of the skin, I would advise using it once every 3 days first and then slowly increasing the frequency to daily. If you have cystic acne, I would advise draining the cystic acne and consider injectable steroids so as to arrest the inflammation and swelling. This will decrease the risk of subsequent scarring.

Differin (a. k. a. Adapalene) is generally the most well-tolerated retinoid and hence it is widely used for acne. It is alright to use a thin layer over the affected areas only but it has benefits for the skin over the whole face so I like to recommend it for full face use. Important notes: Moisturise your face after using Differin.