A Fairfax County psychiatrist has been charged with the illegal distribution of a hypnotic drug and the statutory rape of a 14-year-old Fairfax girl, Fairfax County police reported.

Dr. Joseph S. Salama, 56, whose office is at 6508 Fort Hunt Rd., was arrested Wednesday. He allegedly gave the hypnotic sedative methqualone, known commercially as Quaalude, to the girl and had sexual relations with her on Oct. 20, 1976, according to police.

The warrant for Salama's arrest was obtained by Fairfax Commonwealth's Attorney Robert F. Horan Jr. as a result of a police investigation initiated last February, according to police.

Horan said he became aware of the alleged Oct. 20 incident as the result of $1 million suit filed against Salama by the girl's mother last Feb. 18.Horan declined to say if the girl was a patient of the doctor at the time or exactly where the alleged offense occurred.

In Virginia, statutory, rape is defined as sexual intercourse with a female 14 years old or younger.

Salama was released on $10,000 bond after appearing in Fairfax General District Court yesterday, according to Assistant Fairfax Commonwealth's Attorney Randall M. Starrett. Salama could not be reached for comment.

The Egyptian-born psychiatrist was licensed by the Virginia State Board of Medicine in 1963. According to records filed with the state board, Salama graduated in 1949 from the Farouk University of Medicine which has since been renamed the Faculty of Medicine at Cairo University.

Salama denied allegations made in the suit and also sued The Washington Star newspaper for $2 million because he claimed its story on that suit was libelous.