I looked. It was good that you included clear photos.
My guess is the stringy stuff is mucus. The digestive track surrounds irritants with mucus to protect the digestive lining and move the irritant out of the body. It seems to have surrounded the red objects for this purpose.
I doubt that it is candida, as candida looks like cotton balls.
The red objects might be partially digested liver flukes. Liver flukes usually looked like rolled-up tomato skins. They can range in colour from white (babies), through the various shades of red, to reddish-black (old flukes). The colour is from blood.
Usually, intact liver flukes are tear-drop shaped, or look like rounded triangles. We rarely see intact liver flukes as they generally get digested and churned up in the digestive track. I shall not go into further detail about that.
Of course, they could be something else. But that is what comes to mind from the pictures.
Symptoms of liver flukes: Irritation points, a feeling like being stuck with a needle or "chewing" feeling, sometimes movement although that`s rare, and there is no particular pattern of when this irritation happens. Does this sound familiar?
Of course, you choose whatever anti- parasite method you prefer. From the symptoms you described (and others in your thread described), garlic might be a bit too much for your system. I`ve suggested Clarkia , which did a fine job for me when I had liver flukes, but there are other herbal remedies you could use too. Most anti- parasite herbs (certainly Clarkia ) do not have the nasty effect that you described. Also, it would really help to include a colon cleansing as you do a parasite cleanse, as the Colon Cleanse will help to speed up the removal of parasites before their bodies can make you sicker.
If your symptoms are partially because of an extreme die-off condition, then it would help you to take a milder approach, something which will not make you feel so sick but will be effective in the end.
Please keep us informed. Liver flukes are a serious consideration for those of us doing liver flushes.