Gaviscon is foul it has the texture of semen. Minty semen. I hate any flavour.
Rennies and tums fruit flavoured or otherwise are horrible. The soft, chewy ones make me gag and have a horrible aftertaste.
Drinking too much milk can make heartburn worse for some people.
I feel your pain. Right now I am on the fruit flavoured rennies as these are the least evil to me but I find avoiding trigger foods goes a long way to help with heartburn and my triggers are:
anything acidic such as oranges, satumas, tomatoes, fizzy drinks.
anything oily such as mackeral or anything fatty.
wholemeal bread and cereals. Porridge or weetabix sets it off in the mornings for me.
But I'd second ranitidine although midwives always shake their heads when I ask if it's ok to take whilst pregnant.