It's a good idea to avoid taking any kind of drugs while pregnant. However paracetamol is OK but limit the number you take.
Yeah... I was feeling quite guilty at the amount of panadol I was taking at the start (didn't exceed recommended amounts of course.. but didn't like taking it cos of baby). Once I realised it just wasn't working I limited it to only at night for that little bit more help so I could sleep.

Along the lines of massaging the scalp... an orgasmatron is very soothing too! hehe. (erm.. you know.. the thing with long wiry legs that you massage your scalp with 8-[ )