I wouldnt say its normal, especially at only 20/30mg. Assume you have a BP monitor at home yeah ?
I have been on parnate a couple of times but like you I felt my mood lower so switched back to nardil. I would consider trying parnate again if I could get up to 60mg at least but thats double the recommended dose here in the UK.
This nardil shortage really is a ****ing pain in the arse. Kyowa Kirin need to sort their ****ing **** out.
In Australia the maximum Parnate dose is 30mg, which to me doesn't seem equivalent to the maximum Nardil dose of 90mg.
It isn't the first time I've had this reaction to Parnate, in fact it happened the very first time I ever tried it maybe 7 years ago. It seems like anything over 20mg taken at once will cause a significant pressor effect with equally bad rebound orthostatic hypotension.